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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.

A366056 Expansion of (1/x) * Series_Reversion( x*(1-x)^4/(1-x+x^4) ).

Table of values

n a(n)
0 1
1 3
2 15
3 91
4 613
5 4408
6 33143
7 257400
8 2048825
9 16625940
10 137033316
11 1144010387
12 9653706723
13 82208879366
14 705587243802
15 6097408839400
16 53007770199641
17 463269048213536
18 4067950092964440
19 35871913838983980
20 317533385082542404
21 2820492099258807887

List of values

[1, 3, 15, 91, 613, 4408, 33143, 257400, 2048825, 16625940, 137033316, 1144010387, 9653706723, 82208879366, 705587243802, 6097408839400, 53007770199641, 463269048213536, 4067950092964440, 35871913838983980, 317533385082542404, 2820492099258807887]

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

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