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.

A126456 Column 1 of triangle A126454; a(n) = C( C(n+3,3) + 1, n).

Table of values

n a(n)
0 1
1 5
2 55
3 1330
4 58905
5 4187106
6 437353560
7 63140314380
8 12049276177620
9 2938311614386005
10 891655291709643461
11 329600203128234828790
12 145830232567505064233200
13 76102715775896720790887700

List of values

[1, 5, 55, 1330, 58905, 4187106, 437353560, 63140314380, 12049276177620, 2938311614386005, 891655291709643461, 329600203128234828790, 145830232567505064233200, 76102715775896720790887700]

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

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