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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.

A381442 Expansion of e.g.f. (1/x) * Series_Reversion( x/(1 + sinh(x))^2 ).

Table of values

n a(n)
0 1
1 2
2 10
3 86
4 1080
5 18042
6 377936
7 9538622
8 281946496
9 9557102450
10 365548361472
11 15576454300134
12 731807446707200
13 37584596599753322
14 2094995668172597248
15 125966553940498047182
16 8127048592610380578816
17 560040497770823162810082
18 41054563701320694564061184

List of values

[1, 2, 10, 86, 1080, 18042, 377936, 9538622, 281946496, 9557102450, 365548361472, 15576454300134, 731807446707200, 37584596599753322, 2094995668172597248, 125966553940498047182, 8127048592610380578816, 560040497770823162810082, 41054563701320694564061184]

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

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