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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.

A385311 Expansion of e.g.f. 1/(1 - 3 * x * cos(x))^(1/3).

Table of values

n a(n)
0 1
1 1
2 4
3 25
4 232
5 2805
6 41920
7 744933
8 15340416
9 359136073
10 9419223040
11 273558859409
12 8714789788672
13 302151400126589
14 11326084055150592
15 456421403198919325
16 19677025400034590720
17 903660903945306053137
18 44042354270955276599296
19 2270411632567521580120713

List of values

[1, 1, 4, 25, 232, 2805, 41920, 744933, 15340416, 359136073, 9419223040, 273558859409, 8714789788672, 302151400126589, 11326084055150592, 456421403198919325, 19677025400034590720, 903660903945306053137, 44042354270955276599296, 2270411632567521580120713]

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

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