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A268116 | [
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A211543 | [
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A387503 | [
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"nonn",
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A236535 | [
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114,
117,
120,
122,
125,
128,
130,
133,
136,
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"nonn"
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"nonn",
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A304525 | [
0,
1,
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5,
9,
12,
14,
14,
18
] | [
"nonn",
"hard"
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A094632 | [
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0,
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89588913979,
289915919446,
938187455205,
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"easy",
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A068441 | [
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3,
5,
6,
11,
16,
17,
18,
22,
28,
30,
32,
33,
34,
35,
36,
41,
43,
44,
48,
49,
50,
52,
53,
54,
56,
58,
62,
63,
66,
68,
71,
72,
73,
76,
78,
79,
80,
83,
85,
86,
88,
90,
92,
96,
98,
99,
106,
107,
108,
109,
111,
112... | [
"easy",
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"base"
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