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.

A216401 E.g.f.: artanh(x*exp(x)).

Table of values

n a(n)
1 1
2 2
3 5
4 28
5 209
6 1806
7 18997
8 235544
9 3322881
10 52688890
11 929147141
12 18023207412
13 381330466321
14 8740727309510
15 215767934510325
16 5706703994412976
17 160994795504231297
18 4825786400923162482
19 153160894479441852037
20 5131078462229088189260

List of values

[1, 2, 5, 28, 209, 1806, 18997, 235544, 3322881, 52688890, 929147141, 18023207412, 381330466321, 8740727309510, 215767934510325, 5706703994412976, 160994795504231297, 4825786400923162482, 153160894479441852037, 5131078462229088189260]

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

Content is available under The OEIS End-User License Agreement.