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.

A118803 Self-convolution square-root of A118802, which is the row squared sums of triangle A118801.

Table of values

n a(n)
0 1
1 1
2 5
3 33
4 237
5 1801
6 14197
7 114609
8 940445
9 7809273
10 65437541
11 552276577
12 4688278093
13 39991233641
14 342517093333
15 2943809545105
16 25377201555325
17 219341012215385
18 1900216743054021
19 16496109719061825
20 143469924189693229

List of values

[1, 1, 5, 33, 237, 1801, 14197, 114609, 940445, 7809273, 65437541, 552276577, 4688278093, 39991233641, 342517093333, 2943809545105, 25377201555325, 219341012215385, 1900216743054021, 16496109719061825, 143469924189693229]

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

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