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.

A345242 G.f. A(x) satisfies: A(x) = x + x^2 * exp(4 * Sum_{k>=1} A(x^k) / k).

Table of values

n a(n)
1 1
2 1
3 4
4 14
5 52
6 205
7 832
8 3492
9 14960
10 65322
11 289384
12 1298064
13 5882712
14 26897352
15 123919576
16 574718308
17 2681028168
18 12571650355
19 59222213028
20 280139215118
21 1330101884932
22 6336757979653
23 30282375754944
24 145124083402256
25 697293746743760
26 3358385599930269
27 16210842955175380

List of values

[1, 1, 4, 14, 52, 205, 832, 3492, 14960, 65322, 289384, 1298064, 5882712, 26897352, 123919576, 574718308, 2681028168, 12571650355, 59222213028, 280139215118, 1330101884932, 6336757979653, 30282375754944, 145124083402256, 697293746743760, 3358385599930269, 16210842955175380]