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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.

A380826 Expansion of e.g.f. (1/x) * Series_Reversion( x * exp(-3*x) / (1 + x*exp(-2*x)) ).

Table of values

n a(n)
0 1
1 4
2 43
3 810
4 22273
5 811728
6 36979467
7 2025462736
8 129748802401
9 9522843081984
10 788169731306059
11 72641846664240384
12 7379343546762675873
13 819269203286474309632
14 98698960328223628470379
15 12824232015954542746048512
16 1787731339345567827140060737
17 266157254062414638948185210880

List of values

[1, 4, 43, 810, 22273, 811728, 36979467, 2025462736, 129748802401, 9522843081984, 788169731306059, 72641846664240384, 7379343546762675873, 819269203286474309632, 98698960328223628470379, 12824232015954542746048512, 1787731339345567827140060737, 266157254062414638948185210880]

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

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