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.

A212070 G.f. satisfies: A(x) = (1+x*A(x))*(1+x*A(x)^2)*(1+x*A(x)^3).

Table of values

n a(n)
0 1
1 3
2 21
3 199
4 2166
5 25551
6 317736
7 4101292
8 54429850
9 738053745
10 10180705447
11 142408547576
12 2015296793331
13 28800644332829
14 415060115307920
15 6025247760182629
16 88023011490624217
17 1293147320502884759
18 19092299095314415811
19 283137984006724444796

List of values

[1, 3, 21, 199, 2166, 25551, 317736, 4101292, 54429850, 738053745, 10180705447, 142408547576, 2015296793331, 28800644332829, 415060115307920, 6025247760182629, 88023011490624217, 1293147320502884759, 19092299095314415811, 283137984006724444796]