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.

A300988 E.g.f. A(x) satisfies: [x^n] A(x)^(4*n) = (n + 3) * [x^(n-1)] A(x)^(4*n) for n>=1.

Table of values

n a(n)
0 1
1 1
2 3
3 43
4 1369
5 69561
6 4991371
7 471516403
8 56029153713
9 8112993527089
10 1398528216254611
11 281935928284459131
12 65543089930613822473
13 17373185629100099938153
14 5201713100466658289659419
15 1745470558150260528082445251
16 652016607740826946854349450081
17 269558306371535265856134699842913
18 122707064351998882900943162086492963
19 61225312946191234549695844364141862859

List of values

[1, 1, 3, 43, 1369, 69561, 4991371, 471516403, 56029153713, 8112993527089, 1398528216254611, 281935928284459131, 65543089930613822473, 17373185629100099938153, 5201713100466658289659419, 1745470558150260528082445251, 652016607740826946854349450081, 269558306371535265856134699842913, 122707064351998882900943162086492963, 61225312946191234549695844364141862859]