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.

A252975 Number of nX7 nonnegative integer arrays with upper left 0 and lower right n+7-5 and value increasing by 0 or 1 with every step right or down.

Table of values

n a(n)
1 20
2 483
3 8694
4 112877
5 1100210
6 8528422
7 54926890
8 303382053
9 1471499970
10 6383377435
11 25130419118
12 90859574359
13 304675148476
14 955390407363
15 2821209579406
16 7892066379909
17 21022079637900
18 53557533613173

List of values

[20, 483, 8694, 112877, 1100210, 8528422, 54926890, 303382053, 1471499970, 6383377435, 25130419118, 90859574359, 304675148476, 955390407363, 2821209579406, 7892066379909, 21022079637900, 53557533613173]