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.

A009274 E.g.f.: exp(tanh(x)/cos(x)).

Table of values

n a(n)
0 1
1 1
2 1
3 2
4 5
5 32
6 157
7 688
8 3817
9 29952
10 257049
11 1922560
12 15886125
13 160364544
14 1844058101
15 19815696384
16 218349214545
17 2743045259264
18 38729647296945
19 538516252917760
20 7468216325125589
21 112957538226929664
22 1882371895493492429

List of values

[1, 1, 1, 2, 5, 32, 157, 688, 3817, 29952, 257049, 1922560, 15886125, 160364544, 1844058101, 19815696384, 218349214545, 2743045259264, 38729647296945, 538516252917760, 7468216325125589, 112957538226929664, 1882371895493492429]

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

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