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.

A331617 E.g.f.: exp(1 / (1 - arctan(x)) - 1).

Table of values

n a(n)
0 1
1 1
2 3
3 11
4 49
5 265
6 1683
7 12035
8 95169
9 832337
10 7998467
11 83033403
12 922112305
13 10978263257
14 139956480467
15 1889161216179
16 26798589518593
17 401123509624737
18 6346168059440515
19 105040097140558699
20 1805102151607613361
21 32421358229074354601

List of values

[1, 1, 3, 11, 49, 265, 1683, 12035, 95169, 832337, 7998467, 83033403, 922112305, 10978263257, 139956480467, 1889161216179, 26798589518593, 401123509624737, 6346168059440515, 105040097140558699, 1805102151607613361, 32421358229074354601]

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

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