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.

A126452 Column 1 of triangle A126450; a(n) = C( C(n+3,3), n).

Table of values

n a(n)
0 1
1 4
2 45
3 1140
4 52360
5 3819816
6 406481544
7 59487568920
8 11468588169060
9 2818651865383860
10 860587163078645431
11 319667046321630491484
12 141992594868360194121800
13 74339194732961502662043600

List of values

[1, 4, 45, 1140, 52360, 3819816, 406481544, 59487568920, 11468588169060, 2818651865383860, 860587163078645431, 319667046321630491484, 141992594868360194121800, 74339194732961502662043600]

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

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