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.

A381947 G.f. A(x) satisfies A(x) = B(x*A(x)) / (1 - x)^3, where B(x) is the g.f. of A002293.

Table of values

n a(n)
0 1
1 4
2 17
3 111
4 1001
5 10507
6 118986
7 1411789
8 17307078
9 217422098
10 2784080234
11 36201950786
12 476725871599
13 6344524132503
14 85198695369123
15 1152990558752089
16 15708685673520617
17 215287198676732925
18 2965962577091646604
19 41052101428818066604
20 570583013508324005560

List of values

[1, 4, 17, 111, 1001, 10507, 118986, 1411789, 17307078, 217422098, 2784080234, 36201950786, 476725871599, 6344524132503, 85198695369123, 1152990558752089, 15708685673520617, 215287198676732925, 2965962577091646604, 41052101428818066604, 570583013508324005560]