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.

A218552 G.f. satisfies: A(x) = exp( Sum_{n>=1} x^n/n * Product_{k>=1} (1 + x^(n*k)*A(x^k)^n) ).

Table of values

n a(n)
0 1
1 1
2 2
3 4
4 9
5 20
6 46
7 107
8 253
9 604
10 1463
11 3573
12 8812
13 21901
14 54837
15 138145
16 350068
17 891529
18 2281092
19 5860471
20 15113614
21 39109461
22 101521521
23 264286160
24 689820642
25 1804890193
26 4733051924
27 12437565725
28 32746931264
29 86375236835
30 228212881032
31 603915863737
32 1600500761487

List of values

[1, 1, 2, 4, 9, 20, 46, 107, 253, 604, 1463, 3573, 8812, 21901, 54837, 138145, 350068, 891529, 2281092, 5860471, 15113614, 39109461, 101521521, 264286160, 689820642, 1804890193, 4733051924, 12437565725, 32746931264, 86375236835, 228212881032, 603915863737, 1600500761487]