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.

A381830 G.f. A(x) satisfies A(x) = C(x*A(x)^2) / (1 - x*A(x)), where C(x) is the g.f. of A000108.

Table of values

n a(n)
0 1
1 2
2 10
3 69
4 558
5 4946
6 46506
7 455587
8 4599494
9 47517909
10 499933964
11 5337957532
12 57694565830
13 630010984557
14 6939976239376
15 77027050722166
16 860564349616694
17 9670164031087137
18 109221767288604000
19 1239281689627682221
20 14119315749935075540
21 161460732437631678114

List of values

[1, 2, 10, 69, 558, 4946, 46506, 455587, 4599494, 47517909, 499933964, 5337957532, 57694565830, 630010984557, 6939976239376, 77027050722166, 860564349616694, 9670164031087137, 109221767288604000, 1239281689627682221, 14119315749935075540, 161460732437631678114]