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.

A252874 Number of n X 6 nonnegative integer arrays with upper left 0 and lower right n+6-4 and value increasing by 0 or 1 with every step right or down.

Table of values

n a(n)
1 10
2 120
3 949
4 5281
5 23203
6 85801
7 277585
8 806347
9 2142634
10 5281314
11 12207123
12 26687363
13 55571337
14 110851465
15 212839721
16 394940091
17 710658874
18 1243696244
19 2122211729
20 3538661109
21 5776971495
22 9249264713
23 14544867193
24 22494968931

List of values

[10, 120, 949, 5281, 23203, 85801, 277585, 806347, 2142634, 5281314, 12207123, 26687363, 55571337, 110851465, 212839721, 394940091, 710658874, 1243696244, 2122211729, 3538661109, 5776971495, 9249264713, 14544867193, 22494968931]

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

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