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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A295764 G.f. satisfies: A(x) = Sum_{n>=0} binomial((n+1)^2,n)/(n+1) * x^n/A(x)^n.

Table of values

n a(n)
0 1
1 2
2 8
3 84
4 1522
5 38940
6 1278880
7 51136512
8 2407921070
9 130495143060
10 8002598818976
11 548083639109204
12 41481408076217480
13 3439242379130298624
14 310088460754461374608
15 30213233395705566500248
16 3164041937175571224372118
17 354458174755809132668847604
18 42301583754989091491716706272
19 5358139267082652649000120167456

List of values

[1, 2, 8, 84, 1522, 38940, 1278880, 51136512, 2407921070, 130495143060, 8002598818976, 548083639109204, 41481408076217480, 3439242379130298624, 310088460754461374608, 30213233395705566500248, 3164041937175571224372118, 354458174755809132668847604, 42301583754989091491716706272, 5358139267082652649000120167456]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

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