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.

A187820 G.f. satisfies: A(x) = x + x*Sum{n>=0} x^n/n! * d^n/dx^n A(x)^(n+1).

Table of values

n a(n)
1 1
2 1
3 3
4 12
5 62
6 377
7 2585
8 19497
9 159113
10 1389122
11 12868421
12 125721997
13 1289307566
14 13827494435
15 154617546534
16 1798091282057
17 21700908011943
18 271305769072192
19 3507957527328398
20 46842455163101344
21 645137348798871851
22 9153330597244491848
23 133643964236921732563

List of values

[1, 1, 3, 12, 62, 377, 2585, 19497, 159113, 1389122, 12868421, 125721997, 1289307566, 13827494435, 154617546534, 1798091282057, 21700908011943, 271305769072192, 3507957527328398, 46842455163101344, 645137348798871851, 9153330597244491848, 133643964236921732563]