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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.

A354310 Expansion of e.g.f. 1/(1 - 3*x)^(x/3).

Table of values

n a(n)
0 1
1 0
2 2
3 9
4 84
5 990
6 14754
7 264600
8 5549424
9 133217784
10 3601384200
11 108249692760
12 3580724721672
13 129250420556400
14 5055196156459344
15 212951257371183240
16 9612027759287831040
17 462798880374787387200
18 23675607840207619145664
19 1282413928716141429168000

List of values

[1, 0, 2, 9, 84, 990, 14754, 264600, 5549424, 133217784, 3601384200, 108249692760, 3580724721672, 129250420556400, 5055196156459344, 212951257371183240, 9612027759287831040, 462798880374787387200, 23675607840207619145664, 1282413928716141429168000]

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

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