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.

A363390 G.f. A(x) satisfies: A(x) = x * exp(2 * Sum_{k>=1} (-1)^(k+1) * A(x^k)^2 / (k*x^k) ).

Table of values

n a(n)
1 1
2 2
3 9
4 60
5 436
6 3462
7 28810
8 248606
9 2202772
10 19929336
11 183331451
12 1709642222
13 16125333248
14 153564283602
15 1474528190435
16 14260019116712
17 138772479615509
18 1357948477513772
19 13353454737592303
20 131889469476063586
21 1307802326452419584
22 13014461023695752740

List of values

[1, 2, 9, 60, 436, 3462, 28810, 248606, 2202772, 19929336, 183331451, 1709642222, 16125333248, 153564283602, 1474528190435, 14260019116712, 138772479615509, 1357948477513772, 13353454737592303, 131889469476063586, 1307802326452419584, 13014461023695752740]