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.

A200560 E.g.f.: arcsin(x) o x/(1-x) o sin(x), a composition of functions involving sin(x) and its inverse.

Table of values

n a(n)
1 1
2 2
3 6
4 28
5 180
6 1502
7 15456
8 189208
9 2683920
10 43263962
11 780807456
12 15593180788
13 341340941760
14 8126644655222
15 209050212857856
16 5777935570510768
17 170755837008595200
18 5373097909706399282
19 179351443518333574656
20 6329687401322560131148
21 235491796312126982538240

List of values

[1, 2, 6, 28, 180, 1502, 15456, 189208, 2683920, 43263962, 780807456, 15593180788, 341340941760, 8126644655222, 209050212857856, 5777935570510768, 170755837008595200, 5373097909706399282, 179351443518333574656, 6329687401322560131148, 235491796312126982538240]

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

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