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.

A252835 Number of nX7 nonnegative integer arrays with upper left 0 and every value within 2 of its king move distance from the upper left and every value increasing by 0 or 1 with every step right, diagonally se or down.

Table of values

n a(n)
1 22
2 125
3 850
4 6211
5 42738
6 244131
7 1056756
8 3320837
9 7822881
10 14827629
11 24422839
12 36628371
13 51446975
14 68878827
15 88923927
16 111582275
17 136853871
18 164738715
19 195236807
20 228348147
21 264072735
22 302410571
23 343361655
24 386925987
25 433103567

List of values

[22, 125, 850, 6211, 42738, 244131, 1056756, 3320837, 7822881, 14827629, 24422839, 36628371, 51446975, 68878827, 88923927, 111582275, 136853871, 164738715, 195236807, 228348147, 264072735, 302410571, 343361655, 386925987, 433103567]