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.

A213641 E.g.f. satisfies: A(x) = 1 - log(1 - x^2*A(x)^2) / x.

Table of values

n a(n)
0 1
1 1
2 4
3 33
4 408
5 6760
6 140880
7 3543120
8 104469120
9 3535037856
10 135053291520
11 5750579640960
12 270067321117440
13 13868724577593600
14 773138898730598400
15 46500352460941579200
16 3001412657729335449600
17 206946807350480534937600
18 15180752044039172426035200

List of values

[1, 1, 4, 33, 408, 6760, 140880, 3543120, 104469120, 3535037856, 135053291520, 5750579640960, 270067321117440, 13868724577593600, 773138898730598400, 46500352460941579200, 3001412657729335449600, 206946807350480534937600, 15180752044039172426035200]