A252524 - cp's OEIS frontend

A252524 Number of (n+2)X(n+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 2 3 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 2 3 6 or 7.

n	a(n)
1	750
2	337
3	466
4	790
5	4420
6	13184
7	25280
8	433664
9	1580032
10	3235840
11	191758336
12	781844480
13	1656750080
14	363528716288
15	1573635751936
16	3393024163840
17	2862166206054400

[750, 337, 466, 790, 4420, 13184, 25280, 433664, 1580032, 3235840, 191758336, 781844480, 1656750080, 363528716288, 1573635751936, 3393024163840, 2862166206054400]

cp's OEIS Frontend

A252524 Number of (n+2)X(n+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 0 2 3 6 or 7 and every 3X3 column and antidiagonal sum not equal to 0 2 3 6 or 7.

Table of values

List of values