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.

A222012 G.f. satisfies: A(x) = Sum_{n>=0} n^n * x^n * A(x)^n / (1 + n*x*A(x))^n.

Table of values

n a(n)
0 1
1 1
2 4
3 22
4 145
5 1081
6 8863
7 78751
8 752587
9 7708483
10 84532222
11 992628616
12 12487788067
13 168344145919
14 2430351826084
15 37517872149790
16 617842147959019
17 10821864145358779
18 200955801421862020
19 3943205940005194330
20 81506338541922078355
21 1769606318933022398611

List of values

[1, 1, 4, 22, 145, 1081, 8863, 78751, 752587, 7708483, 84532222, 992628616, 12487788067, 168344145919, 2430351826084, 37517872149790, 617842147959019, 10821864145358779, 200955801421862020, 3943205940005194330, 81506338541922078355, 1769606318933022398611]