cp's OEIS Frontend

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.

A081443 Binomial transform of expansion of cosh(sinh(x)).

Table of values

n a(n)
0 1
1 1
2 2
3 4
4 12
5 36
6 128
7 456
8 1872
9 7888
10 37600
11 184064
12 990784
13 5444544
14 32333824
15 195982208
16 1272660224
17 8441139456
18 59527313920
19 428299217920
20 3252626013184
21 25165446157312
22 204354574172160
23 1689266143553536
24 14594815769038848

List of values

[1, 1, 2, 4, 12, 36, 128, 456, 1872, 7888, 37600, 184064, 990784, 5444544, 32333824, 195982208, 1272660224, 8441139456, 59527313920, 428299217920, 3252626013184, 25165446157312, 204354574172160, 1689266143553536, 14594815769038848]

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

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