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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.

A369301 Expansion of (1/x) * Series_Reversion( x * (1-x)^3 * (1-x^3)^3 ).

Table of values

n a(n)
0 1
1 3
2 15
3 94
4 657
5 4902
6 38236
7 308025
8 2542965
9 21401780
10 182934144
11 1583745114
12 13858675065
13 122379042879
14 1089156646584
15 9759520978270
16 87975115569873
17 797233088237190
18 7258632128721117
19 66367727370376632
20 609132332475784548
21 5610015849998778144

List of values

[1, 3, 15, 94, 657, 4902, 38236, 308025, 2542965, 21401780, 182934144, 1583745114, 13858675065, 122379042879, 1089156646584, 9759520978270, 87975115569873, 797233088237190, 7258632128721117, 66367727370376632, 609132332475784548, 5610015849998778144]

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

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