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.

A366180 G.f. A(x) satisfies A(x) = 1/(1 - x)^2 + x*A(x)^3/(1 - x)^3.

Table of values

n a(n)
0 1
1 3
2 15
3 109
4 909
5 8184
6 77626
7 764226
8 7735878
9 80011063
10 841875232
11 8983175079
12 96977392945
13 1057262750608
14 11623867926024
15 128730566729686
16 1434752590885174
17 16080839356274157
18 181135636330594960
19 2049430159361529977
20 23280997677471432102

List of values

[1, 3, 15, 109, 909, 8184, 77626, 764226, 7735878, 80011063, 841875232, 8983175079, 96977392945, 1057262750608, 11623867926024, 128730566729686, 1434752590885174, 16080839356274157, 181135636330594960, 2049430159361529977, 23280997677471432102]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.