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.

A375442 Expansion of g.f. A(x) satisfying 0 = Sum_{k=0..n} (-1)^k * binomial(4*n-3*k, k) * ([x^k] A(x)^n) for n >= 1.

Table of values

n a(n)
0 1
1 1
2 4
3 58
4 2040
5 141471
6 17414299
7 3548205700
8 1133401180600
9 542919997056985
10 375875913182499803
11 364645747772536556398
12 482860134802496098766740
13 853352199545631748454314991
14 1973943714691108570803508891357
15 5875562740836479708875221002947800
16 22169669117423382437537944364347343144

List of values

[1, 1, 4, 58, 2040, 141471, 17414299, 3548205700, 1133401180600, 542919997056985, 375875913182499803, 364645747772536556398, 482860134802496098766740, 853352199545631748454314991, 1973943714691108570803508891357, 5875562740836479708875221002947800, 22169669117423382437537944364347343144]