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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.

A355866 Expansion of g.f. A(x) satisfying 0 = Sum_{n=-oo..+oo} x^n * (x^n - A(x))^(3*n+1).

Table of values

n a(n)
0 1
1 2
2 5
3 20
4 77
5 319
6 1357
7 5861
8 25934
9 117970
10 554949
11 2713732
12 13801721
13 72690859
14 393319668
15 2166067444
16 12036890380
17 67038139970
18 372431798808
19 2058011292264
20 11296150608376
21 61573508814470
22 333509165576785
23 1797289086416868
24 9653137938138051

List of values

[1, 2, 5, 20, 77, 319, 1357, 5861, 25934, 117970, 554949, 2713732, 13801721, 72690859, 393319668, 2166067444, 12036890380, 67038139970, 372431798808, 2058011292264, 11296150608376, 61573508814470, 333509165576785, 1797289086416868, 9653137938138051]

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

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