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.

A360342 G.f. A(x) satisfies: [x^n] A(x)^(n+1) = [x^n] (1 + x*A(x)^(2*n-2))^(n+1) for n >= 0.

Table of values

n a(n)
0 1
1 1
2 2
3 20
4 316
5 6686
6 173379
7 5255624
8 180911070
9 6938866748
10 292678301988
11 13446616806957
12 668017569348751
13 35678261176871802
14 2038906890461704040
15 124171127134721710130
16 8030684434410398312840
17 549848454475826567644385
18 39744302449387229743134043

List of values

[1, 1, 2, 20, 316, 6686, 173379, 5255624, 180911070, 6938866748, 292678301988, 13446616806957, 668017569348751, 35678261176871802, 2038906890461704040, 124171127134721710130, 8030684434410398312840, 549848454475826567644385, 39744302449387229743134043]