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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.

A364822 Expansion of e.g.f. cosh(x) / (1 - 2*sinh(x)).

Table of values

n a(n)
0 1
1 2
2 9
3 56
4 465
5 4832
6 60249
7 876416
8 14570145
9 272502272
10 5662834089
11 129446475776
12 3228012339825
13 87205172928512
14 2537079010567929
15 79084060649947136
16 2629496833837277505
17 92893490657046167552
18 3474733464040954877769
19 137195165161622584426496
20 5702069567580948171751185

List of values

[1, 2, 9, 56, 465, 4832, 60249, 876416, 14570145, 272502272, 5662834089, 129446475776, 3228012339825, 87205172928512, 2537079010567929, 79084060649947136, 2629496833837277505, 92893490657046167552, 3474733464040954877769, 137195165161622584426496, 5702069567580948171751185]

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

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