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.

A252535 Number of (3+2) X (n+2) 0..3 arrays with every 3 X 3 subblock row and diagonal sum equal to 0 2 3 6 or 7 and every 3 X 3 column and antidiagonal sum not equal to 0 2 3 6 or 7.

Table of values

n a(n)
1 460
2 334
3 466
4 626
5 1120
6 1760
7 2404
8 4304
9 6832
10 9416
11 16864
12 26912
13 37264
14 66752
15 106816
16 148256
17 265600
18 425600
19 591424
20 1059584
21 1699072
22 2362496
23 4232704
24 6789632
25 9443584
26 16919552
27 27145216
28 37761536
29 67655680
30 108554240
31 151020544

List of values

[460, 334, 466, 626, 1120, 1760, 2404, 4304, 6832, 9416, 16864, 26912, 37264, 66752, 106816, 148256, 265600, 425600, 591424, 1059584, 1699072, 2362496, 4232704, 6789632, 9443584, 16919552, 27145216, 37761536, 67655680, 108554240, 151020544]