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2,
4,
16,
64,
480,
3736,
56603,
866980,
25953214,
787663876,
46715890643,
2808165369921,
329814202089783,
39245990906253440,
9118402420254408000,
2.1469320746321117e+21
] |
[
"nonn"
] |
A139848
|
[
7,
43,
67,
127,
163,
463,
487,
547,
823,
883,
907,
967,
1087,
1303,
1327,
1423,
1663,
1723,
1747,
2083,
2143,
2347,
2503,
2647,
2683,
2767,
3067,
3187,
3343,
3607,
3823,
3847,
3907,
3943,
4027,
4243,
4327,
4363,
4447,
4603,
4663,
4783,
5023
] |
[
"nonn",
"easy"
] |
A092263
|
[
1,
3,
6,
10,
17,
29,
48,
78,
127,
207,
336,
544,
881,
1427,
2310,
3738,
6049,
9789,
15840,
25630,
41471,
67103,
108576,
175680,
284257,
459939,
744198,
1204138,
1948337,
3152477,
5100816,
8253294,
13354111,
21607407,
34961520,
56568928
] |
[
"nonn"
] |
A127384
|
[
1,
1,
2,
4,
9,
23,
62,
179,
543,
1705,
5482,
18056,
60634,
206824
] |
[
"nonn"
] |
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