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.

A381877 G.f. A(x) satisfies A(x) = C(x) / (1 - x*A(x))^4, where C(x) is the g.f. of A000108.

Table of values

n a(n)
0 1
1 5
2 36
3 307
4 2891
5 29029
6 304716
7 3303712
8 36708842
9 415818822
10 4783832314
11 55743318579
12 656528284027
13 7802975428711
14 93467830304056
15 1127239608233884
16 13676060532043690
17 166800618473750824
18 2043978275887704674
19 25152767272402722288
20 310703538187552229521

List of values

[1, 5, 36, 307, 2891, 29029, 304716, 3303712, 36708842, 415818822, 4783832314, 55743318579, 656528284027, 7802975428711, 93467830304056, 1127239608233884, 13676060532043690, 166800618473750824, 2043978275887704674, 25152767272402722288, 310703538187552229521]