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.

A292871 a(n) = [x^n] (1/(1 - x - x^2/(1 - 2*x - 2*x^2/(1 - 3*x - 3*x^2/(1 - 4*x - 4*x^2/(1 - ...))))))^n.

Table of values

n a(n)
0 1
1 1
2 5
3 28
4 169
5 1071
6 7034
7 47538
8 329249
9 2331424
10 16856915
11 124387286
12 936799582
13 7204759238
14 56634639780
15 455560907508
16 3755017488657
17 31763254337955
18 276141607672244
19 2470749459597450
20 22777862470135279
21 216542289861590847
22 2123786397875045480
23 21490054470340915524
24 224275454800219674782

List of values

[1, 1, 5, 28, 169, 1071, 7034, 47538, 329249, 2331424, 16856915, 124387286, 936799582, 7204759238, 56634639780, 455560907508, 3755017488657, 31763254337955, 276141607672244, 2470749459597450, 22777862470135279, 216542289861590847, 2123786397875045480, 21490054470340915524, 224275454800219674782]

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

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