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.

A351151 G.f. A(x) satisfies: A(x) = 1 + x^2 * A(x/(1 - 5*x)) / (1 - 5*x).

Table of values

n a(n)
0 1
1 0
2 1
3 5
4 26
5 145
6 901
7 6420
8 52501
9 480955
10 4795626
11 51066375
12 576182001
13 6879462680
14 86955722401
15 1162559359745
16 16392133866026
17 242734091500445
18 3758825675820501
19 60660434188558780
20 1017770666417312501
21 17725289455315892375
22 320047193447632729626

List of values

[1, 0, 1, 5, 26, 145, 901, 6420, 52501, 480955, 4795626, 51066375, 576182001, 6879462680, 86955722401, 1162559359745, 16392133866026, 242734091500445, 3758825675820501, 60660434188558780, 1017770666417312501, 17725289455315892375, 320047193447632729626]

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

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