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.

A196022 E.g.f. satisfies: A(x) = Sum_{n>=0} 1/n! * Sum_{k=0..n} C(n,k)*(1 + x/2*A(x)^(n-k))^(n-k) * (-1 + x/2*A(x)^k)^k.

Table of values

n a(n)
0 1
1 1
2 3
3 22
4 269
5 4676
6 106027
7 2966909
8 98814921
9 3818572219
10 167999566061
11 8292669672343
12 453958089569833
13 27300462412168531
14 1789601591598075179
15 127031469572649790786
16 9709396866317453042033
17 795229841271312470470904
18 69499103185446754949076817

List of values

[1, 1, 3, 22, 269, 4676, 106027, 2966909, 98814921, 3818572219, 167999566061, 8292669672343, 453958089569833, 27300462412168531, 1789601591598075179, 127031469572649790786, 9709396866317453042033, 795229841271312470470904, 69499103185446754949076817]