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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.

A351891 Expansion of e.g.f. exp( sinh(sqrt(2)*x) / sqrt(2) ).

Table of values

n a(n)
0 1
1 1
2 1
3 3
4 9
5 25
6 105
7 443
8 1969
9 10609
10 57265
11 338547
12 2190969
13 14498185
14 104277849
15 784965803
16 6150938593
17 51229928929
18 440694547681
19 3967606065891
20 37247506348905
21 361022009762809
22 3645855348771273
23 38001754007842715
24 409302848055407761
25 4558828622414199121

List of values

[1, 1, 1, 3, 9, 25, 105, 443, 1969, 10609, 57265, 338547, 2190969, 14498185, 104277849, 784965803, 6150938593, 51229928929, 440694547681, 3967606065891, 37247506348905, 361022009762809, 3645855348771273, 38001754007842715, 409302848055407761, 4558828622414199121]

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

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