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.

A013301 E.g.f.: arctanh(arctanh(x)-log(x+1)).

Table of values

n a(n)
0 0
1 1
2 6
3 150
4 7560
5 650160
6 84823200
7 15617281680
8 3855823171200
9 1229340262550400
10 491641405006752000
11 241000527467642342400
12 142107676844443620710400
13 99236357585615999548800000

List of values

[0, 1, 6, 150, 7560, 650160, 84823200, 15617281680, 3855823171200, 1229340262550400, 491641405006752000, 241000527467642342400, 142107676844443620710400, 99236357585615999548800000]