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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.

A081444 Second binomial transform of expansion of cosh(sinh(x)).

Table of values

n a(n)
0 1
1 2
2 5
3 14
4 45
5 162
6 641
7 2718
8 12249
9 58370
10 294493
11 1571374
12 8858053
13 52542882
14 326804185
15 2122860862
16 14366452913
17 101063123202
18 738075208501
19 5587492946510
20 43795838894941
21 354876969914786
22 2968890716640945

List of values

[1, 2, 5, 14, 45, 162, 641, 2718, 12249, 58370, 294493, 1571374, 8858053, 52542882, 326804185, 2122860862, 14366452913, 101063123202, 738075208501, 5587492946510, 43795838894941, 354876969914786, 2968890716640945]

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

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