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.

A138213 G.f.: A(x) = 1 + x*(1 + x*(1 + x*(...(1 + x*(...)^(3n))...)^9)^6)^3.

Table of values

n a(n)
0 1
1 1
2 3
3 21
4 244
5 4002
6 84909
7 2209947
8 68121822
9 2425846806
10 97969327890
11 4423628854404
12 220806455598561
13 12072207455321168
14 717431790926502954
15 46045783798588216767
16 3174068594948910976851
17 233875508656473241657578

List of values

[1, 1, 3, 21, 244, 4002, 84909, 2209947, 68121822, 2425846806, 97969327890, 4423628854404, 220806455598561, 12072207455321168, 717431790926502954, 46045783798588216767, 3174068594948910976851, 233875508656473241657578]