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.

A379279 G.f. A(x) satisfies A(x) = ( (1 + x*A(x)^2) * (1 + x*A(x)) )^2.

Table of values

n a(n)
0 1
1 4
2 30
3 288
4 3125
5 36490
6 447478
7 5683186
8 74105002
9 986302778
10 13344661479
11 182998935930
12 2537838036761
13 35530970858236
14 501523116910044
15 7129275916213606
16 101973703002773268
17 1466574750062589956
18 21194869324964207133
19 307642575576365729486
20 4482940969372057898247

List of values

[1, 4, 30, 288, 3125, 36490, 447478, 5683186, 74105002, 986302778, 13344661479, 182998935930, 2537838036761, 35530970858236, 501523116910044, 7129275916213606, 101973703002773268, 1466574750062589956, 21194869324964207133, 307642575576365729486, 4482940969372057898247]