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omr-ws-b597a6c6f5f1f926daaa679425da045daaad6d5bc98874bd7166be61badd2c06
What is the asymptotic behavior of the expected value of the largest prime factor of \( n \)? Specifically, consider the expression \[ \frac{1}{2k+1}\sum_{|m-n| \le k}E(m) \] as \( n, k \to \infty \) and \( n >> k \), where \( E(m) \) denotes the largest prime factor of \( m \).
[ "\\frac{\\pi^2}{12} \\frac{n}{\\log n}" ]
[ "What is the asymptotic behavior of the expected value of the largest prime factor of \\( n \\)? Specifically, consider the expression\n\\[ \\frac{1}{2k+1}\\sum_{|m-n| \\le k}E(m) \\]\nas \\( n, k \\to \\infty \\) and \\( n >> k \\), where \\( E(m) \\) denotes the largest prime factor of \\( m \\)." ]
[ "aops_c7_college_math" ]
[ "cot", "genselect" ]
{ "cot": 9, "genselect": 1 }
10
0
0
omr-ws-9b430c03b7ff43537bc13028f244e508b26240ee55de58fee2a913a201e44612
What is the asymptotic behavior of the series $\sum_{n>0}u^{n^2}$ as $u$ approaches 1 from below?
[ "\\(\\sqrt{\\frac{\\pi}{4(1-u)}}\\)" ]
[ "What is the asymptotic behavior of the series $\\sum_{n>0}u^{n^2}$ as $u$ approaches 1 from below?" ]
[ "aops_c7_college_math", "c7_college_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 15 }
31
0
0
omr-ws-ea487e069c985e2db419c7f45b68ad897df22486372c604d15e5cdd9b582c5eb
What is the asymptotic behavior of the sum \(\sum_{r=0}^{n}\cos\left(\frac{\sqrt{r}}{n}\right)\) as \(n\) approaches \(\infty\)?
[ "\\(n + \\frac{3}{4} - \\frac{17}{72}n^{-1} + \\frac{59}{2880}n^{-2} + O(n^{-3})\\)" ]
[ "What is the asymptotic behavior of the sum \\(\\sum_{r=0}^{n}\\cos\\left(\\frac{\\sqrt{r}}{n}\\right)\\) as \\(n\\) approaches \\(\\infty\\)?" ]
[ "aops_c7_college_math", "c7_college_math" ]
[ "cot", "tir" ]
{ "cot": 2, "tir": 18 }
20
0
0
omr-ws-48992ad0811266c89bbe60938c1d8b7e4384f9ae5dfd563dd984a11f3f971b91
What is the asymptotic complexity (big theta notation) of $f(n, p)$, where $f(n, p)$ is the least positive integer value of $k$ such that the probability that some pair of the $k$ people in the room share the same birthday is at least $p$, assuming a year has $n$ days?
[ "\\(\\Theta(\\sqrt{n})\\)" ]
[ "What is the asymptotic complexity (big theta notation) of $f(n, p)$, where $f(n, p)$ is the least positive integer value of $k$ such that the probability that some pair of the $k$ people in the room share the same birthday is at least $p$, assuming a year has $n$ days?" ]
[ "aops_c7_college_math", "c7_college_math" ]
[ "cot", "genselect", "tir" ]
{ "cot": 9, "genselect": 4, "tir": 9 }
22
0
0
omr-ws-2de2d36505847082f9ddd49ad0960faf9ac13c2aab10f92f456ed16f0674aaad
What is the asymptotic density of integers \( n \) such that the three consecutive numbers \( 4n + 1 \), \( 4n + 2 \), and \( 4n + 3 \) are all square-free? If this density is not zero, does it imply that there are infinitely many such integers \( n \)?
[ "\\text{Yes}" ]
[ "What is the asymptotic density of integers \\( n \\) such that the three consecutive numbers \\( 4n + 1 \\), \\( 4n + 2 \\), and \\( 4n + 3 \\) are all square-free? If this density is not zero, does it imply that there are infinitely many such integers \\( n \\)?" ]
[ "aops_c7_college_math" ]
[ "cot" ]
{ "cot": 6 }
6
0
0
omr-ws-14cf256a4c6f42e9cacff192cb2c2854ff2fe4923db3a2af22c7b2e9b941a453
What is the asymptotic limit of \( \frac{S(n)}{n^2} \) as \( n \) approaches infinity, where \( S(n) = 1^{\mu(1)} + 2^{\mu(2)} + 3^{\mu(3)} + \cdots + n^{\mu(n)} \) and \( \mu(n) \) is the Möbius function of \( n \)?
[ "\\dfrac{3}{2\\pi^2}" ]
[ "What is the asymptotic limit of \\( \\frac{S(n)}{n^2} \\) as \\( n \\) approaches infinity, where \\( S(n) = 1^{\\mu(1)} + 2^{\\mu(2)} + 3^{\\mu(3)} + \\cdots + n^{\\mu(n)} \\) and \\( \\mu(n) \\) is the Möbius function of \\( n \\)?" ]
[ "aops_c6_high_school_olympiads" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-4e5390dec68e14fd77f9416d1b0ce13320ec9a7958bd4b953d8aa22953b29888
What is the asymptotic probability that the number of copies of $K_4$ in $G(n, \sqrt{n})$ is greater than $n$?
[ "0" ]
[ "What is the asymptotic probability that the number of copies of $K_4$ in $G(n, \\sqrt{n})$ is greater than $n$?" ]
[ "aops_c7_college_math" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-159bc24d78348fa930c49ee52bb20c30da3c04412b843379e211e2047e5c0304
What is the asymptotic upper bound on the divisor function (number of divisors of an integer)?
[ "\\( O(n^\\epsilon) \\) for any \\( \\epsilon > 0 \\)" ]
[ "What is the asymptotic upper bound on the divisor function (number of divisors of an integer)?" ]
[ "aops_c6_high_school_olympiads", "c6_high_school_olympiads" ]
[ "cot", "genselect", "tir" ]
{ "cot": 13, "genselect": 2, "tir": 7 }
22
0
0
omr-ws-acf394e16e9c27751101872b3998cf4e89a40925e8f73a106b4b3851b20860d0
What is the average area of a triangle given that its circumradius is 1?
[ "\\(\\frac{11\\pi}{64}\\)" ]
[ "What is the average area of a triangle given that its circumradius is 1?" ]
[ "aops_c4_high_school_math" ]
[ "additional_problems" ]
{ "additional_problems": 1 }
1
0
0
omr-ws-c097ce188d01ece93ec2e845dc898ca6ef99cfe4bb4b2582f8b78a5dcd52a604
What is the average area of triangle ABC, where the points A(1,a), B(2,b), and C(3,c) are defined with a, b, and c ranging over the set {0,1,2,3}? (If A, B, and C are collinear, consider the area to be 0.)
[ "\\(\\frac{3}{4}\\)" ]
[ "What is the average area of triangle ABC, where the points A(1,a), B(2,b), and C(3,c) are defined with a, b, and c ranging over the set {0,1,2,3}? (If A, B, and C are collinear, consider the area to be 0.)" ]
[ "aops_c4_high_school_math" ]
[ "additional_problems" ]
{ "additional_problems": 1 }
1
0
0
omr-ws-f35a280c253859e1c7333d32bf0e4ab57832cc18b8ddb6f6d7db61fe2403876e
What is the average area of triangle ABC, where the points A(1,a), B(2,b), and C(3,c) are defined with a, b, and c ranging over the set {0,1,2,3}? Count collinear points as a triangle with area 0.
[ "\\dfrac{9}{8}" ]
[ "What is the average area of triangle ABC, where the points A(1,a), B(2,b), and C(3,c) are defined with a, b, and c ranging over the set {0,1,2,3}? Count collinear points as a triangle with area 0." ]
[ "aops_c4_high_school_math" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-5e876c69c1861d8cf5264e04da34ab45b42d6ce15844b3e3262b22d13d40c102
What is the average book width, in centimeters, of five books with the following widths: $6$, $\frac{1}{2}$, $1$, $2.5$, and $10$?
[ "4" ]
[ "What is the average book width, in centimeters, of five books with the following widths: $6$, $\\frac{1}{2}$, $1$, $2.5$, and $10$?" ]
[ "aops_c5_contests_amp_programs" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 17 }
33
0
0
omr-ws-44453a99ec88eb21957263cfcfb4cb0b34b60401f98ae2f9d3418aa155dc41f8
What is the average distance between 8 random points in a sector of a circle that covers 1/3rd of the circle's area?
[ "\\dfrac{128R}{45\\pi}" ]
[ "What is the average distance between 8 random points in a sector of a circle that covers 1/3rd of the circle's area?" ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "genselect" ]
{ "cot": 9, "genselect": 1 }
10
0
0
omr-ws-c90b59970ba9951783a0fd78f1c48fcc97c3d569cc4e67375294480ca48beda4
What is the average distance between two points in a unit square?
[ "\\dfrac{2 + \\sqrt{2} + 5 \\ln(1 + \\sqrt{2})}{15}" ]
[ "What is the average distance between two points in a unit square?" ]
[ "aops_c7_college_math" ]
[ "cot" ]
{ "cot": 15 }
15
0
0
omr-ws-e6366b680a971ad36e47707ecbb8e0729bcb303aefb00acd48127427c2a39d16
What is the average distance between two points on a square? No other problems are identified in the post.
[ "\\dfrac{2 + \\sqrt{2} + 5 \\ln(1 + \\sqrt{2})}{15}" ]
[ "What is the average distance between two points on a square?\n\nNo other problems are identified in the post." ]
[ "aops_c7_college_math" ]
[ "cot" ]
{ "cot": 14 }
14
0
0
omr-ws-92c23c680cb81c969236d96f707dbc00330fd63b913d25fcc9a8bc7363aab09d
What is the average distance between two randomly chosen points in a square with a side length of $1$?
[ "\\( \\frac{2+\\sqrt{2}+5\\ln(1+\\sqrt{2})}{15} \\approx 0.5214 \\)" ]
[ "What is the average distance between two randomly chosen points in a square with a side length of $1$?" ]
[ "aops_c7_college_math" ]
[ "cot", "tir" ]
{ "cot": 15, "tir": 28 }
43
0
0
omr-ws-0178d09b062334dd4896558bb4606ff63249bdaf93ed48485a2a8ebfbf3f7ae9
What is the average distance between two randomly chosen points in a unit square?
[ "\\(\\frac{1}{15}(2 + \\sqrt{2} + 5\\log(1+\\sqrt{2}))\\)" ]
[ "What is the average distance between two randomly chosen points in a unit square?" ]
[ "aops_c7_college_math" ]
[ "cot", "tir" ]
{ "cot": 15, "tir": 21 }
36
0
0
omr-ws-bf774b225dd67f41c3bdb6ae44889bad0e7b3b6c382a0f9127ce269e2245af12
What is the average head length of a permutation of the sequence $[1, 1, 2, 3, \dotsc, n]$?
[ "\\dfrac{n-1}{3}" ]
[ "What is the average head length of a permutation of the sequence $[1, 1, 2, 3, \\dotsc, n]$?" ]
[ "aops_c5_contests_amp_programs" ]
[ "cot", "genselect" ]
{ "cot": 3, "genselect": 5 }
8
0
0
omr-ws-f5074feb57f033947ec876989790db5f3376400279b84153ab6ee7ca0f72132b
What is the average head length of a sequence of length $n$ consisting of the numbers $\{1, 2, 3, 4\}$?
[ "\\dfrac{4}{3}\\left(1 - \\left(\\dfrac{1}{4}\\right)^n\\right)" ]
[ "What is the average head length of a sequence of length $n$ consisting of the numbers $\\{1, 2, 3, 4\\}$?" ]
[ "aops_c5_contests_amp_programs" ]
[ "cot" ]
{ "cot": 15 }
15
0
0
omr-ws-a83c645bbcd1eef6e8306ff0c2e479a820574dbcf72893e8c2541e2cfbb1c67b
What is the average length of the longest increasing subsequence of a random permutation of $1, 2, \cdots, n$?
[ "\\(2\\sqrt{n}\\)" ]
[ "What is the average length of the longest increasing subsequence of a random permutation of $1, 2, \\cdots, n$?" ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 18 }
34
0
0
omr-ws-1093c263bf22d7689a2857823a922d835ccca8725e48a13322c468b568cf5a43
What is the average number of cards drawn from a shuffled deck until an ace is drawn?
[ "\\(\\frac{53}{5}\\)" ]
[ "What is the average number of cards drawn from a shuffled deck until an ace is drawn?" ]
[ "aops_c4_high_school_math", "c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 13 }
29
0
0
omr-ws-183213b227e23c4506022eee5309ef4b1a0ce098230022bd499627d97428175f
What is the average number of coin tosses required to obtain 2 heads in a row?
[ "6" ]
[ "What is the average number of coin tosses required to obtain 2 heads in a row?" ]
[ "aops_c4_high_school_math" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-a429da2ce98a2a5ddc62867a2876ff720fbf3f35abbd0f074be474d124af300b
What is the average number of independent sets of size $k$ in graphs with $V$ vertices and $E$ edges?
[ "\\(\\frac{\\binom{V}{k} \\binom{\\binom{V}{2} - \\binom{k}{2}}{E}}{\\binom{\\binom{V}{2}}{E}}\\)" ]
[ "What is the average number of independent sets of size $k$ in graphs with $V$ vertices and $E$ edges?" ]
[ "aops_c6_high_school_olympiads", "c6_high_school_olympiads" ]
[ "cot", "tir" ]
{ "cot": 47, "tir": 16 }
63
0
0
omr-ws-37fb5aca6d894f02afda47b1e5cf86076d7b3ca5e82f8720c2d1fa64fa27be72
What is the average number of numbers you need to pick before repeating when picking out of \( n \) numbers?
[ "\\sum_{k=0}^n \\frac{n!}{n^k (n - k)!}" ]
[ "What is the average number of numbers you need to pick before repeating when picking out of \\( n \\) numbers?" ]
[ "aops_c4_high_school_math" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-cbdbcb088620db6d0d0174347fefca341e663884167bd14d2bdc166cb4b6e1af
What is the average number of pairs of consecutive integers in a randomly selected subset of 5 distinct integers chosen from the set $\{ 1, 2, 3, \ldots, 30\}$?
[ "\\(\\frac{2}{3}\\)" ]
[ "What is the average number of pairs of consecutive integers in a randomly selected subset of 5 distinct integers chosen from the set $\\{ 1, 2, 3, \\ldots, 30\\}$?" ]
[ "aops_c5_contests_amp_programs" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 29 }
45
0
0
omr-ws-2186e3792e893005e51c1939e829edd0044a3045b59a7a5d7639a58bcea74fc9
What is the average number of runs in an n-digit integer where adjacent digits are always different and the leading digit can be 0? A run is defined as a maximal string of digits that are either strictly increasing or strictly decreasing.
[ "\\dfrac{19n - 11}{27}" ]
[ "What is the average number of runs in an n-digit integer where adjacent digits are always different and the leading digit can be 0? A run is defined as a maximal string of digits that are either strictly increasing or strictly decreasing." ]
[ "aops_c6_high_school_olympiads" ]
[ "cot" ]
{ "cot": 15 }
15
0
0
omr-ws-edd6a129fe2ab57283abf92933a04bd3013dfb44a53e64d619d03059da884890
What is the average number of times a coin should be tossed such that the number of heads and tails are the same?
[ "Infinite" ]
[ "What is the average number of times a coin should be tossed such that the number of heads and tails are the same?" ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 21 }
37
0
0
omr-ws-7bfcd10f8d1a99c4758ca565ebde4c40b0a2488663bb7d38f628a67a0e6e352d
What is the average number of times one should toss a coin to get \( n \) heads in a row, where \( n \) is any positive integer?
[ "2^{n+1} - 2" ]
[ "What is the average number of times one should toss a coin to get \\( n \\) heads in a row, where \\( n \\) is any positive integer?" ]
[ "aops_c4_high_school_math" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-ed7203c3a648b5a7b82d9129d1af32e41c520a9c1c25793ebcae12c7f61b7131
What is the average number of tosses required to get two heads in a row when a coin is repeatedly thrown?
[ "6" ]
[ "What is the average number of tosses required to get two heads in a row when a coin is repeatedly thrown?" ]
[ "aops_c4_high_school_math" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-5e3f28989cc9cbfba981b1f28787c381888c49610242916b8063225fc916590f
What is the average of all 3-digit even numbers with distinct digits formed by choosing from the digits 1, 3, 4, 6?
[ "335" ]
[ "What is the average of all 3-digit even numbers with distinct digits formed by choosing from the digits 1, 3, 4, 6?" ]
[ "aops_c4_high_school_math", "c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 30 }
46
0
0
omr-ws-56b2af346c43878d1d7e5f93c98f9ab735315076b7bc36baf1b91522214e432e
What is the average of all 4-digit numbers with distinct digits formed by choosing from the digits 1, 3, 4, 6?
[ "3888.5" ]
[ "What is the average of all 4-digit numbers with distinct digits formed by choosing from the digits 1, 3, 4, 6?" ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 24 }
40
0
0
omr-ws-2c481fc423c63c371fefd5f8aaa14386e8245e7b4df30cd47d94705cc17bf994
What is the average of all different (m+n)-digit numbers where each consists of the digit m m times and the digit n n times?
[ "\\dfrac{(m^2 + n^2)(10^{m+n} - 1)}{9(m + n)}" ]
[ "What is the average of all different (m+n)-digit numbers where each consists of the digit m m times and the digit n n times?" ]
[ "aops_c4_high_school_math" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-bee9d35df8d4f40cdf679615dddd3665328626e6a20727a0f55624ed7a276047
What is the average of all different 9-digit numbers where each consists of the digit 5 five times and the digit 4 four times?
[ "506172839" ]
[ "What is the average of all different 9-digit numbers where each consists of the digit 5 five times and the digit 4 four times?" ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 15, "tir": 28 }
43
0
0
omr-ws-8cb26824bb7b7dd077d075ed93d0e517bee4d26f553cec68ebf65ac4d8701a79
What is the average of all integer divisors of $222$?
[ "0" ]
[ "What is the average of all integer divisors of $222$?" ]
[ "aops_c4_high_school_math" ]
[ "tir" ]
{ "tir": 3 }
3
0
0
omr-ws-3dbf697f2dc98b1393ee2ee379995914ac90e4c0a8d4a7ae9b02867e2bda568d
What is the average of all the integer values of $M$ such that $\frac{M}{56}$ is strictly between $\frac{3}{7}$ and $\frac{1}{4}$?
[ "19" ]
[ "What is the average of all the integer values of $M$ such that $\\frac{M}{56}$ is strictly between $\\frac{3}{7}$ and $\\frac{1}{4}$?" ]
[ "MATH_training_set" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-5e766ffec327fe179c0ce5a33e386d288cce00e62cb6bcc511e3f93742c7be9c
What is the average of all two-digit integers that satisfy the condition that the number is equal to the sum of the ten's digit and the unit's digit and the product of the ten's digit and the unit's digit?
[ "59" ]
[ "What is the average of all two-digit integers that satisfy the condition that the number is equal to the sum of the ten's digit and the unit's digit and the product of the ten's digit and the unit's digit?" ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 2 }
18
0
0
omr-ws-c43db35f2213202a72df6a76c1b78b000cf52515a78e388c598f0f3ce04a455c
What is the average of the elements occurring in the $r$-subsets of $\{1, 2, 3, \ldots, n\}$? Note: $r$-subsets refer to elements taken $r$ at a time, and the elements are arranged in ascending order from left to right.
[ "\\(\\frac{n+1}{2}\\)" ]
[ "What is the average of the elements occurring in the $r$-subsets of $\\{1, 2, 3, \\ldots, n\\}$? Note: $r$-subsets refer to elements taken $r$ at a time, and the elements are arranged in ascending order from left to right." ]
[ "aops_c4_high_school_math" ]
[ "cot", "genselect", "tir" ]
{ "cot": 15, "genselect": 8, "tir": 23 }
46
0
0
omr-ws-55475ccec7cf4659d4f4186bc0777b3ee97ca1c2a1f2ed4d47a059e43347df98
What is the average squared distance between two randomly and uniformly selected points inside the circle \( x^2 + y^2 \le 1 \)? (Note: The explicit use of densities is NOT allowed.)
[ "1" ]
[ "What is the average squared distance between two randomly and uniformly selected points inside the circle \\( x^2 + y^2 \\le 1 \\)? \n\n(Note: The explicit use of densities is NOT allowed.)" ]
[ "aops_c7_college_math" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-274c0379cb56d327ac1f232b0575f15b28dca37e3d15955c6330d2b0414c991c
What is the average temperature of the surface of a spherical planet with center $(0,0,0)$ and radius $20$, where the temperature at any point $(x,y,z)$ on the surface is given by $T(x,y,z) = (x + y)^2 + (y - z)^2$ degrees?
[ "\\dfrac{1600}{3}" ]
[ "What is the average temperature of the surface of a spherical planet with center $(0,0,0)$ and radius $20$, where the temperature at any point $(x,y,z)$ on the surface is given by $T(x,y,z) = (x + y)^2 + (y - z)^2$ degrees?" ]
[ "aops_c4_high_school_math" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-06d1a2907821dcca5af04bdaa9f12a80785519dcf63ae568d8d14121d9d9233d
What is the base $2$ representation of $84_{10}$?
[ "1010100_2" ]
[ "What is the base $2$ representation of $84_{10}$?" ]
[ "MATH_training_set" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-6641585ca43211e1579df28584bad35ca98d6ffad6492b5b5a795bbb547a4c9d
What is the base 4 representation of the base 2 number $11011000_2$?
[ "3120_4" ]
[ "What is the base 4 representation of the base 2 number $11011000_2$?" ]
[ "MATH_training_set" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-84609f62adb1dbd5b7da0298bc4724e2ba9094445b463cda4831a551c2f2a169
What is the base five product of the numbers $121_{5}$ and $11_{5}$?
[ "1331" ]
[ "What is the base five product of the numbers $121_{5}$ and $11_{5}$?" ]
[ "MATH_training_set" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-eb276df89483971d7e0a17ac35b7b4fe986de20cc917f893d990933d97bd6f80
What is the base four equivalent of $123_{10}$?
[ "1323_{4}" ]
[ "What is the base four equivalent of $123_{10}$?" ]
[ "MATH_training_set" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-c3d9d7fd8787608f6125e48117eb67dbf3b6bf6b15e025d88ff5e08cb53090b8
What is the base ten equivalent of $12345_{6}$?
[ "1865" ]
[ "What is the base ten equivalent of $12345_{6}$?" ]
[ "MATH_training_set" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-303f769b6d3a5df64aaf6ffe01235425f26457b4a07066dccf0b95784f3e45f5
What is the base ten equivalent of $54321_6$?
[ "7465" ]
[ "What is the base ten equivalent of $54321_6$?" ]
[ "MATH_training_set" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-52aaad5f25cd971b68de19b5fc0865174b5d23afceee6e74b264dbe93948c1c2
What is the base-10 integer 515 when expressed in base 6?
[ "2215_6" ]
[ "What is the base-10 integer 515 when expressed in base 6?" ]
[ "MATH_training_set" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-8f8058c24f04a6c5b87bf30f85a6e391dff91929e7bc30f86668ddbc7499fe9a
What is the base-10 sum of all positive integers such that, when expressed in binary, they have 7 digits and no two consecutive 1’s?
[ "963" ]
[ "What is the base-10 sum of all positive integers such that, when expressed in binary, they have 7 digits and no two consecutive 1’s?" ]
[ "aops_c5_contests_amp_programs", "c5_contests_amp_programs" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 22 }
38
0
0
omr-ws-6e1fff028c93415538d41492aaee4cd5116ad420d4a93c5e07d495030263a1d1
What is the base-ten number represented by the base-eight number 31?
[ "25" ]
[ "What is the base-ten number represented by the base-eight number 31?" ]
[ "MATH_training_set" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-c0f86c2b29d6ef4cabb8384921711f7ee6686d5a1d3536537f138e4e65d4f9da
What is the behavior of the fractional part of $(1+\sqrt{2})^k$ as $k \to \infty$?
[ "\\text{The fractional part approaches } 0 \\text{ for odd } k \\text{ and } 1 \\text{ for even } k \\text{ as } k \\to \\infty." ]
[ "What is the behavior of the fractional part of $(1+\\sqrt{2})^k$ as $k \\to \\infty$?" ]
[ "aops_c7_college_math" ]
[ "cot", "genselect" ]
{ "cot": 4, "genselect": 7 }
11
0
0
omr-ws-7f0b8189a18be833f6116cde22330277bea1c87c469534743e112d6ce5fa32c0
What is the best approximation for $\pi(x)$ in the form $\pi(x+a) \approx \frac{x}{\ln(bx)}$ for real numbers $a$ and $b$?
[ "a = 0 \\text{ and } b = \\frac{1}{e}" ]
[ "What is the best approximation for $\\pi(x)$ in the form $\\pi(x+a) \\approx \\frac{x}{\\ln(bx)}$ for real numbers $a$ and $b$?" ]
[ "aops_c4_high_school_math" ]
[ "cot", "genselect" ]
{ "cot": 13, "genselect": 5 }
18
0
0
omr-ws-1c6d66671a9bc7df2bd12757cf202d32fc4e2b864b3facaa42ead20c5456a9ad
What is the best bound to compare the number of distinct prime factors of \( m! \) and \( n! \), where \( m \) and \( n \) are natural numbers?
[ "\\omega(m!) \\geq \\omega(n!) \\text{ if and only if } m \\geq n" ]
[ "What is the best bound to compare the number of distinct prime factors of \\( m! \\) and \\( n! \\), where \\( m \\) and \\( n \\) are natural numbers?" ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "genselect" ]
{ "cot": 12, "genselect": 5 }
17
0
0
omr-ws-44c2e51519df70bb034c9e04412ea0c404fc44123062dbec28fa9945f7685878
What is the best constant $ k_n $ such that for any real numbers $ a_1, a_2, \ldots, a_n $, the inequality $ (a_1-a_2)^2 + (a_2-a_3)^2 + \cdots + (a_n-a_1)^2 \geq k_n \sum_{i<j} (a_i-a_j)^2 $ holds?
[ "\\dfrac{4}{n} \\sin^2\\left( \\dfrac{\\pi}{n} \\right)" ]
[ "What is the best constant $ k_n $ such that for any real numbers $ a_1, a_2, \\ldots, a_n $, the inequality $ (a_1-a_2)^2 + (a_2-a_3)^2 + \\cdots + (a_n-a_1)^2 \\geq k_n \\sum_{i<j} (a_i-a_j)^2 $ holds?" ]
[ "aops_c6_high_school_olympiads" ]
[ "cot" ]
{ "cot": 11 }
11
0
0
omr-ws-09d3e39c3bbe75861c24f4d9da22a87292e165d49078c4c2695175a43b40143b
What is the best constant \( c \) for which the inequality \( x^2 + y^2 + xy + 1 \geq c(x + y) \) holds?
[ "1" ]
[ "What is the best constant \\( c \\) for which the inequality \\( x^2 + y^2 + xy + 1 \\geq c(x + y) \\) holds?" ]
[ "aops_c4_high_school_math" ]
[ "additional_problems" ]
{ "additional_problems": 1 }
1
0
0
omr-ws-cc3a196bffb61024a6bd6c6278793f9037bf51846d0b8fa6978d3d3227bac59a
What is the best general method to solve the system of equations given by: \[ a + b + c = p \] \[ ab + bc + ac = m \] \[ abc = n \]
[ "Solve the polynomial \\(x^3 - px^2 + mx - n = 0\\) to find the roots \\(a, b, c\\)." ]
[ "What is the best general method to solve the system of equations given by:\n\\[ a + b + c = p \\]\n\\[ ab + bc + ac = m \\]\n\\[ abc = n \\]" ]
[ "aops_c6_high_school_olympiads", "c6_high_school_olympiads" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 26 }
42
0
0
omr-ws-c71f0fb040764aae335f0d1f9f22c3b2cfe310ff63fd0744e234e116e860e5d2
What is the best positive real number \( k \) such that for any \( a, b, c > 0 \), the following inequality holds: \[ \sum_{\text{cyc}} \frac{a^2}{b^2} + k \ge (3 + k) \frac{a^2 + b^2 + c^2}{ab + bc + ca} \]?
[ "6.263970365" ]
[ "What is the best positive real number \\( k \\) such that for any \\( a, b, c > 0 \\), the following inequality holds:\n\\[ \\sum_{\\text{cyc}} \\frac{a^2}{b^2} + k \\ge (3 + k) \\frac{a^2 + b^2 + c^2}{ab + bc + ca} \\]?" ]
[ "aops_c6_high_school_olympiads" ]
[ "tir" ]
{ "tir": 1 }
1
0
0
omr-ws-e76acaa06e08d3d2a25ef9d7e1111e0404818b09fdb0129cb9042d29d56f6398
What is the best strategy for John to win at least 3 dollars when flipping a coin 3 times, and what is the probability of winning with that strategy?
[ "\\dfrac{1}{8}" ]
[ "What is the best strategy for John to win at least 3 dollars when flipping a coin 3 times, and what is the probability of winning with that strategy?" ]
[ "aops_c4_high_school_math" ]
[ "cot", "genselect" ]
{ "cot": 12, "genselect": 5 }
17
0
0
omr-ws-67429198c3964fe5aa3a9eeef1a108e2ec5b25c4c218282ba3f420ff7b4c5662
What is the best upper bound for the expression $\sqrt{x(y+z)}+\sqrt{y(z+x)}+\sqrt{z(x+y)}$?
[ "\\( \\sqrt{6(xy+yz+zx)} \\)" ]
[ "What is the best upper bound for the expression $\\sqrt{x(y+z)}+\\sqrt{y(z+x)}+\\sqrt{z(x+y)}$?" ]
[ "aops_c6_high_school_olympiads" ]
[ "tir" ]
{ "tir": 2 }
2
0
0
omr-ws-e9626496290898d472055955c0e2f82c282cb9ecfdf0575e2a77a200af6b033d
What is the biggest natural number \( n \) such that the inequality \( a^4 - na + 8 > 0 \) holds for all real values of \( a \)?
[ "8" ]
[ "What is the biggest natural number \\( n \\) such that the inequality \\( a^4 - na + 8 > 0 \\) holds for all real values of \\( a \\)?" ]
[ "aops_c4_high_school_math" ]
[ "cot" ]
{ "cot": 15 }
15
0
0
omr-ws-066e006ea5b792f754414b7fd3ea3d7fed24cd32199c19c024f5f76123b01bd0
What is the biggest prime factor of the number $13^4 + 16^5 - 172^2$?
[ "1321" ]
[ "What is the biggest prime factor of the number $13^4 + 16^5 - 172^2$?" ]
[ "aops_c6_high_school_olympiads" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-eec86a9e51f903ca6eabacde7b1663d7eafc68f50cf6ed9a67149b65ca1a9b80
What is the biggest shadow that a cube of side length 1 can have, with the sun at its peak? Note: "The biggest shadow of a figure with the sun at its peak" is understood to be the biggest possible area of the orthogonal projection of the figure on a plane.
[ "\\sqrt{3}" ]
[ "What is the biggest shadow that a cube of side length 1 can have, with the sun at its peak? Note: \"The biggest shadow of a figure with the sun at its peak\" is understood to be the biggest possible area of the orthogonal projection of the figure on a plane." ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "genselect" ]
{ "cot": 14, "genselect": 8 }
22
0
0
omr-ws-bc293e3a2e8b4034c62743589b9460096063e460d36e5358fe9afe459bde6885
What is the binary (base 2) representation of the base 10 fraction $\frac{1}{5}$?
[ "0.\\overline{0011}" ]
[ "What is the binary (base 2) representation of the base 10 fraction $\\frac{1}{5}$?" ]
[ "aops_c5_contests_amp_programs" ]
[ "cot" ]
{ "cot": 15 }
15
0
0
omr-ws-ad4b3db72d1b4d016d0fd63a9e62242f7b3c0817952572c7b3178a282e729e5d
What is the binary representation of $ \frac{1}{7} $?
[ "\\( 0.001001_2 \\)" ]
[ "What is the binary representation of $ \\frac{1}{7} $?" ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 14 }
30
0
0
omr-ws-4af7500557dd427aa37155a559c1c9096a96939ecf28859ca4621a7572d24a40
What is the bounce number for the initial state $[(x, y); \overrightarrow{(p, q)}]$ where $p, q$ are relatively prime positive integers, assuming the striker never hits a corner?
[ "p + q - 2" ]
[ "What is the bounce number for the initial state $[(x, y); \\overrightarrow{(p, q)}]$ where $p, q$ are relatively prime positive integers, assuming the striker never hits a corner?" ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "genselect" ]
{ "cot": 8, "genselect": 6 }
14
0
0
omr-ws-5465c08cdd067ad73afd943f58e099cd77f4cf49d6128fda5bfc94f61cc83dd9
What is the cardinality of $\mathcal{F}_\sigma$, the set of all countable unions of elements of $\mathcal{F}$?
[ "$2^c$" ]
[ "What is the cardinality of $\\mathcal{F}_\\sigma$, the set of all countable unions of elements of $\\mathcal{F}$?" ]
[ "aops_c7_college_math" ]
[ "cot", "genselect", "tir" ]
{ "cot": 10, "genselect": 3, "tir": 13 }
26
0
0
omr-ws-8c36648c0ee142ddb4c9b9a6f6df0196322b155dcc7b32ed87070cbdf13b06c0
What is the cardinality of Lebesgue non-measurable sets, assuming the axiom of choice?
[ "2^{\\aleph_0}" ]
[ "What is the cardinality of Lebesgue non-measurable sets, assuming the axiom of choice?" ]
[ "aops_c7_college_math" ]
[ "cot", "genselect" ]
{ "cot": 12, "genselect": 3 }
15
0
0
omr-ws-dce86633542fa83960181674bd9b86fae5e3c439f584454bd0bf5b00f7c72022
What is the cardinality of all dense subsets of $\mathbb{R}$, where a dense subset $S \subseteq \mathbb{R}$ satisfies $\bar{S} = \mathbb{R}$?
[ "$card(P(\\mathbb{R}))$" ]
[ "What is the cardinality of all dense subsets of $\\mathbb{R}$, where a dense subset $S \\subseteq \\mathbb{R}$ satisfies $\\bar{S} = \\mathbb{R}$?" ]
[ "aops_c7_college_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 18 }
34
0
0
omr-ws-c1d750be390773e194ba676cb7da760dd1efcd58f84ffefcf9b2ea491b7994d2
What is the cardinality of the family $\mathcal{F}$ of all closed subsets of the Euclidean plane $\mathbb{R}^2$?
[ "$\\mathfrak{c}$ or $2^{\\aleph_0}$" ]
[ "What is the cardinality of the family $\\mathcal{F}$ of all closed subsets of the Euclidean plane $\\mathbb{R}^2$?" ]
[ "aops_c7_college_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 21 }
37
0
0
omr-ws-067234e1c1abb89de124d229061269d849b67a080d9262304804b6b91d418a89
What is the cardinality of the set $\{\varphi(1), \varphi(2), \ldots, \varphi(n)\}$?
[ "A082695(n)" ]
[ "What is the cardinality of the set $\\{\\varphi(1), \\varphi(2), \\ldots, \\varphi(n)\\}$?" ]
[ "aops_c6_high_school_olympiads" ]
[ "cot", "genselect" ]
{ "cot": 5, "genselect": 5 }
10
0
0
omr-ws-5eec5d778f24130ca116dd16bd52585e30e3677c60227c903d2b2888d73d0ec8
What is the cardinality of the set $\{x \mid x^d = 1\}$ where $d$ is a divisor of $2^{nm} - 1$?
[ "d" ]
[ "What is the cardinality of the set $\\{x \\mid x^d = 1\\}$ where $d$ is a divisor of $2^{nm} - 1$?" ]
[ "aops_c7_college_math" ]
[ "cot" ]
{ "cot": 15 }
15
0
0
omr-ws-15345ad8a8e17cdf0410fceac7145a2f7f143d2abbd9f8d17d8b0c7bf8c0be15
What is the cardinality of the set of all functions $f: \mathbb{R} \to \mathbb{R}$ which satisfy $f(x+y) = f(x) + f(y)$ for all $x$ and $y$?
[ "\\( 2^{|\\mathbb{R}|} \\)" ]
[ "What is the cardinality of the set of all functions $f: \\mathbb{R} \\to \\mathbb{R}$ which satisfy $f(x+y) = f(x) + f(y)$ for all $x$ and $y$?" ]
[ "aops_c7_college_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 12 }
28
0
0
omr-ws-2bac89f11bc0a7ca3c09193fb54341074a16254f9c30bd9a1edd5da7c59efc82
What is the cardinality of the set of automorphisms of the complex field $\mathbf{C}$?
[ "$2^c$" ]
[ "What is the cardinality of the set of automorphisms of the complex field $\\mathbf{C}$?" ]
[ "aops_c7_college_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 21 }
37
0
0
omr-ws-479cb4bcc8422cc84d4108ea4fc828834e1a0a3e63d4d753674a8217ceb00205
What is the cardinality of the set of one-variable functions that are everywhere differentiable on $(-\infty, \infty)$?
[ "\\mathfrak{c}" ]
[ "What is the cardinality of the set of one-variable functions that are everywhere differentiable on $(-\\infty, \\infty)$?" ]
[ "aops_c7_college_math" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-a51b88c0c85160109ed8301693c50c2a8ddd0794ec1ce92bc9746162b124a984
What is the center of the circle passing through the point $(6,0)$ and tangent to the circle $x^{2}+y^{2}=4$ at $(0,2)$.
[ "\\((0, -8)\\)" ]
[ "What is the center of the circle passing through the point $(6,0)$ and tangent to the circle $x^{2}+y^{2}=4$ at $(0,2)$." ]
[ "aops_c4_high_school_math" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-8b045712e511fe34ed6454fa3a51f4e3175df57dd43f70525c5e3ea21ad2fa3b
What is the center of the conic section given by the polar equation \( r = \frac{2}{3 + 5 \cos(\theta)} \) when expressed in Cartesian form?
[ "\\(\\left(\\frac{5}{8}, 0\\right)\\)" ]
[ "What is the center of the conic section given by the polar equation \\( r = \\frac{2}{3 + 5 \\cos(\\theta)} \\) when expressed in Cartesian form?" ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 17 }
33
0
0
omr-ws-33097ef811c6418d2dd3eb57ef53ea10784926295f25a237658afdae6fb51f4e
What is the central angle of a hemisphere?
[ "180^\\circ" ]
[ "What is the central angle of a hemisphere?" ]
[ "aops_c4_high_school_math" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-85305c2260f7d241b96eb1b7042692bc266207bab0638de4941226b907ba1504
What is the centralizer of the element $(12)$ in $S_{5}$?
[ "\\(C_2 \\times S_3\\)" ]
[ "What is the centralizer of the element $(12)$ in $S_{5}$?" ]
[ "aops_c7_college_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 19 }
35
0
0
omr-ws-424b92ce3f309620baf436ed77e7119afda4549f5d42e18157e8983b5f12b3ca
What is the centralizer of the element $(12)(34)(56)$ in the alternating group $A_6$?
[ "\\(S_4\\)" ]
[ "What is the centralizer of the element $(12)(34)(56)$ in the alternating group $A_6$?" ]
[ "aops_c7_college_math" ]
[ "cot", "genselect", "tir" ]
{ "cot": 12, "genselect": 5, "tir": 10 }
27
0
0
omr-ws-37bdf1e976f6fcef4252d372d018828e3c67342d0b9a29cb135bfe27ac9f6ed8
What is the centre and radius of the circle represented by $\left| \frac{z+1}{z-2} \right| = 2$?
[ "Centre $(3,0)$, Radius $2$" ]
[ "What is the centre and radius of the circle represented by $\\left| \\frac{z+1}{z-2} \\right| = 2$?" ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 1, "tir": 27 }
28
0
0
omr-ws-021fecfb3bb30d620ec0c2b094697ba1f3ab467c3d9ae3d1a47b0956c100b5df
What is the characteristic of the commutative ring \( R = F_2[t] / t^3 F_2[t] \)?
[ "2" ]
[ "What is the characteristic of the commutative ring \\( R = F_2[t] / t^3 F_2[t] \\)?" ]
[ "aops_c7_college_math" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-4bd633281aa8137e648841a4b01f57fe2c8e43c622d38dd40c142b7d1b3b78e4
What is the characterization of the midpoint of the altitude and the foot of the altitude (from point A) in Barycentric coordinates?
[ "\\left(\\frac{1}{2}, \\frac{a^2 + b^2 - c^2}{4a^2}, \\frac{a^2 + c^2 - b^2}{4a^2}\\right)" ]
[ "What is the characterization of the midpoint of the altitude and the foot of the altitude (from point A) in Barycentric coordinates?" ]
[ "aops_c6_high_school_olympiads" ]
[ "cot" ]
{ "cot": 9 }
9
0
0
omr-ws-16889a46f729d989fb309adb67c528b4d73d71a31fa506b2c1153caab2bd4fa3
What is the circumcenter of the triangle $\triangle{I_{a}I_{b}I_{c}}$ in relation to the triangle $\triangle{ABC}$?
[ "The reflection of the incenter over the circumcenter." ]
[ "What is the circumcenter of the triangle $\\triangle{I_{a}I_{b}I_{c}}$ in relation to the triangle $\\triangle{ABC}$?" ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 16, "tir": 7 }
23
0
0
omr-ws-b48f2599b898f63f202fd72c18a9c1cd668e473a2e1de29ecbb31b4981584d27
What is the class equation of the alternating group A4?
[ "\\( 1 + 3 + 8 \\)" ]
[ "What is the class equation of the alternating group A4?" ]
[ "aops_c7_college_math" ]
[ "additional_problems" ]
{ "additional_problems": 1 }
1
0
0
omr-ws-57f9e19136ec4a7806dc3a16046f5ee0de1dca24438a86bf80b5f1006e1d567b
What is the class equation of the direct product $K_4 \times Q_8$, where $K_4$ is the Klein four-group and $Q_8$ is the quaternion group?
[ "\\(32=1+1+1+1+1+1+1+1+2+2+2+2+2+2+2+2+2+2+2+2\\)" ]
[ "What is the class equation of the direct product $K_4 \\times Q_8$, where $K_4$ is the Klein four-group and $Q_8$ is the quaternion group?" ]
[ "aops_c7_college_math" ]
[ "cot", "tir" ]
{ "cot": 2, "tir": 13 }
15
0
0
omr-ws-7d2f98fb795021dcda63727fa71fbbd3701853fdebca02f8f2015bdcafe9b486
What is the closed form expression for the sum $1^k + 2^k + \cdots + n^k$?
[ "\\(\\sum_{k=1}^n k^p = \\frac{1}{p+1} \\sum_{j=0}^p \\binom{p+1}{j} B_j n^{p+1-j}\\)" ]
[ "What is the closed form expression for the sum $1^k + 2^k + \\cdots + n^k$?" ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 15, "tir": 12 }
27
0
0
omr-ws-70e5dd491200b6292936e685150738f8d8d752a701e014cb516201f56541e187
What is the closed form for $\text{det}(A+xB)$ where $A$ and $B$ are $3 \times 3$ matrices?
[ "\\det(A) + x \\left( \\sum_{i=1}^3 \\det(A^{(i)}) \\right) + x^2 \\left( \\sum_{1 \\leq i < j \\leq 3} \\det(A^{(i,j)}) \\right) + x^3 \\det(B)" ]
[ "What is the closed form for $\\text{det}(A+xB)$ where $A$ and $B$ are $3 \\times 3$ matrices?" ]
[ "aops_c7_college_math" ]
[ "cot", "genselect" ]
{ "cot": 14, "genselect": 7 }
21
0
0
omr-ws-33f20c483e2b428d6f21bf84f21462021125f1e2498c9396ff4a80f8b2b07e80
What is the closed form for $\zeta(2k)$, where $k$ is an integer?
[ "\\(\\zeta(2k) = \\frac{1}{2} (2\\pi)^{2k} \\frac{B_k}{(2k)!}\\)" ]
[ "What is the closed form for $\\zeta(2k)$, where $k$ is an integer?" ]
[ "aops_c6_high_school_olympiads" ]
[ "additional_problems" ]
{ "additional_problems": 1 }
1
0
0
omr-ws-c46ee8dfd436d0bbba28227dba845809f1c512906779e0871d5494892d049c9e
What is the closed form of the sum \(1^1 + 2^2 + 3^3 + \cdots + n^n\)?
[ "\\sum_{k=1}^n k^k" ]
[ "What is the closed form of the sum \\(1^1 + 2^2 + 3^3 + \\cdots + n^n\\)?" ]
[ "aops_c4_high_school_math" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-a332a15b32c2424e684c4711d83b26df34e21688c7e5059ced855ce0ac98e3ee
What is the closed formula for \( \sum_{n=0}^{\infty} n^k x^n \)?
[ "\\frac{x A_k(x)}{(1 - x)^{k + 1}}" ]
[ "What is the closed formula for \\( \\sum_{n=0}^{\\infty} n^k x^n \\)?" ]
[ "aops_c7_college_math" ]
[ "cot", "genselect" ]
{ "cot": 9, "genselect": 3 }
12
0
0
omr-ws-96edb9eb52326b48953ccf9e16ba4572d05585579c7320bee7525ac793d276fe
What is the closed-form solution of $\displaystyle\sum_{n=0}^\infty {3n \choose n}x^n$?
[ "\\frac{2 \\cos\\left( \\frac{1}{3} \\arccos\\left(1 - \\frac{27}{2}x\\right) \\right)}{\\sqrt{4 - 27x}}" ]
[ "What is the closed-form solution of $\\displaystyle\\sum_{n=0}^\\infty {3n \\choose n}x^n$?" ]
[ "aops_c7_college_math" ]
[ "cot", "genselect" ]
{ "cot": 4, "genselect": 2 }
6
0
0
omr-ws-7e667ba82c21afc9867e22a08a315546d5038a129da8fbd50ff32da529fad6d5
What is the closest average interplanetary speed in miles per hour of NASA’s Perseverance Rover, which traveled $292{,}526{,}838$ miles over a period of approximately $6.5$ months?
[ "60,000" ]
[ "What is the closest average interplanetary speed in miles per hour of NASA’s Perseverance Rover, which traveled $292{,}526{,}838$ miles over a period of approximately $6.5$ months?" ]
[ "aops_c5_contests_amp_programs" ]
[ "cot", "tir" ]
{ "cot": 13, "tir": 25 }
38
0
0
omr-ws-92271d1fbc19092cc3b1e320863783a02332160b7a70809028f4f8160d0b429b
What is the closest integer to $1000 \times \sum_{n=3}^{10000} \frac{1}{n^2 - 4}$?
[ "521" ]
[ "What is the closest integer to $1000 \\times \\sum_{n=3}^{10000} \\frac{1}{n^2 - 4}$?" ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 15, "tir": 19 }
34
0
0
omr-ws-ec9209d2f2e0f902bfb31972617056f64b0d15e5b0cf5bf486a0564916a2bdd6
What is the closest predigic number to 2007? Can you prove that it is the closest? A predigic number is one that occurs in the sequence of digits formed by the numbers less than it. For example, 920 is predigic because in the sequence 123456789101112...918919, 920 occurs: 12345...181[b]920[/b]2122...918919.
[ "2010" ]
[ "What is the closest predigic number to 2007? Can you prove that it is the closest?\n\nA predigic number is one that occurs in the sequence of digits formed by the numbers less than it. For example, 920 is predigic because in the sequence \n123456789101112...918919,\n920 occurs:\n12345...181[b]920[/b]2122...918919....
[ "aops_c4_high_school_math" ]
[ "tir" ]
{ "tir": 3 }
3
0
0
omr-ws-3e0e880d981e4a488010ad906c68630d702e1c06589e8d6b14d25ecbbc9770c3
What is the closest straight line approximation (ax + b) of the function \( f(x) = \sin{2x} \) on the interval \([- \pi, \pi]\)?
[ "\\( y = \\frac{-3}{2\\pi^2}x \\)" ]
[ "What is the closest straight line approximation (ax + b) of the function \\( f(x) = \\sin{2x} \\) on the interval \\([- \\pi, \\pi]\\)?" ]
[ "aops_c7_college_math" ]
[ "cot", "tir" ]
{ "cot": 15, "tir": 23 }
38
0
0
omr-ws-f8ad033da92c0448775418270f2696eb12d828a21ac2c20a080b0c807361c8c5
What is the closure of $\{M^2 : M \in GL_n(\mathbb{R})\}$ in $GL_n(\mathbb{R})$?
[ "GL_n^+(\\mathbb{R})" ]
[ "What is the closure of $\\{M^2 : M \\in GL_n(\\mathbb{R})\\}$ in $GL_n(\\mathbb{R})$?" ]
[ "aops_c7_college_math" ]
[ "cot", "genselect" ]
{ "cot": 15, "genselect": 4 }
19
0
0
omr-ws-3276d64fb3df9bac0a649f81d59a020b85d481d4f28b0a09d5fcecba0b5c019e
What is the closure of $\{M^2 : M \in M_n(\mathbb{R})\}$ in $M_n(\mathbb{R})$?
[ "\\(F\\) (where \\(F\\) is the set of real matrices whose Jordan decomposition satisfies property (P))" ]
[ "What is the closure of $\\{M^2 : M \\in M_n(\\mathbb{R})\\}$ in $M_n(\\mathbb{R})$?" ]
[ "aops_c7_college_math" ]
[ "additional_problems" ]
{ "additional_problems": 1 }
1
0
0
omr-ws-813ce16266d319dd47b401da0868079ba241962397f2226b644a8c37e2bf86e2
What is the coefficient of $(a^{p}b^{q}c^{r}d^{s})$ in $((abcd)^{n}(\frac{1}{a}+\frac{1}{b}+\frac{1}{c}+\frac{1}{d})^{n})$?
[ "\\(\\frac{n!}{(n-p)!(n-q)!(n-r)!(n-s)!}\\)" ]
[ "What is the coefficient of $(a^{p}b^{q}c^{r}d^{s})$ in $((abcd)^{n}(\\frac{1}{a}+\\frac{1}{b}+\\frac{1}{c}+\\frac{1}{d})^{n})$?" ]
[ "aops_c6_high_school_olympiads" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-6e3de0fc17a615b616f2b4f9db97885ddd144702f8a8c6f9d166dbb9a6b03e98
What is the coefficient of $\frac{1}{x}$ in the expansion of $(x+1)^n \left(x + \frac{1}{x}\right)^n$?
[ "$\\sum_{k=0}^{\\left\\lfloor\\frac{n-1}2\\right\\rfloor}\\binom n{2k+1}\\binom nk$ or $\\sum_{k=1}^n\\binom nk\\binom{n+2k}{k-1}(-2)^{n-k}$" ]
[ "What is the coefficient of $\\frac{1}{x}$ in the expansion of $(x+1)^n \\left(x + \\frac{1}{x}\\right)^n$?" ]
[ "aops_c6_high_school_olympiads" ]
[ "tir" ]
{ "tir": 19 }
19
0
0
omr-ws-48dd8643f517d85c0e69794757c9b52db36d35e4383b172f4238f7b423dfacae
What is the coefficient of $a^2b^2$ in $(a+b)^4\left(c+\dfrac{1}{c}\right)^6$?
[ "120" ]
[ "What is the coefficient of $a^2b^2$ in $(a+b)^4\\left(c+\\dfrac{1}{c}\\right)^6$?" ]
[ "MATH_training_set" ]
[ "cot" ]
{ "cot": 16 }
16
0
0
omr-ws-10599121b18a7cb5022d49466a7039c15e0797e52ebdf2f9bb62662c1d3bd949
What is the coefficient of $wx^{2}y^{3}z^{4}$ in the expansion of $(8w+\frac{1}{3}x+\frac{1}{2}y+z)^{10}$?
[ "1400" ]
[ "What is the coefficient of $wx^{2}y^{3}z^{4}$ in the expansion of $(8w+\\frac{1}{3}x+\\frac{1}{2}y+z)^{10}$?" ]
[ "aops_c4_high_school_math" ]
[ "cot", "tir" ]
{ "cot": 15, "tir": 29 }
44
0
0
omr-ws-1ab254842d4fda6d0831938f036bc5487a614e6e5862d2dffe7193fcdfb875ef
What is the coefficient of $x^2$ when $-5x^3 - 5x^2 - 7x + 1$ is multiplied by $-x^2 - 6x + 1$ and the like terms are combined?
[ "36" ]
[ "What is the coefficient of $x^2$ when $-5x^3 - 5x^2 - 7x + 1$ is multiplied by $-x^2 - 6x + 1$ and the like terms are combined?" ]
[ "MATH_training_set" ]
[ "cot" ]
{ "cot": 16 }
16
0
0