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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.

A369616 Expansion of (1/x) * Series_Reversion( x / (1/(1-x)^2 + x) ).

Table of values

n a(n)
0 1
1 3
2 12
3 58
4 314
5 1824
6 11107
7 69955
8 451918
9 2977834
10 19936332
11 135225006
12 927267595
13 6417580459
14 44770275705
15 314489676679
16 2222549047262
17 15791353483602
18 112734135824404
19 808247711066688
20 5817056710700424
21 42012120642574732
22 304384379305912686

List of values

[1, 3, 12, 58, 314, 1824, 11107, 69955, 451918, 2977834, 19936332, 135225006, 927267595, 6417580459, 44770275705, 314489676679, 2222549047262, 15791353483602, 112734135824404, 808247711066688, 5817056710700424, 42012120642574732, 304384379305912686]

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

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