A252566 - cp's OEIS frontend

A252566 Number of (n+2)X(n+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 1 2 5 6 or 7 and every 3X3 column and antidiagonal sum not equal to 1 2 5 6 or 7.

n	a(n)
1	702
2	868
3	4168
4	25882
5	498696
6	11285381
7	155864925
8	12185963853
9	945844092853
10	24332552409889
11	8322243636131517
12	2215111350571613524
13	98531704627753178786
14	155638652503561131141300

[702, 868, 4168, 25882, 498696, 11285381, 155864925, 12185963853, 945844092853, 24332552409889, 8322243636131517, 2215111350571613524, 98531704627753178786, 155638652503561131141300]

cp's OEIS Frontend

A252566 Number of (n+2)X(n+2) 0..3 arrays with every 3X3 subblock row and diagonal sum equal to 1 2 5 6 or 7 and every 3X3 column and antidiagonal sum not equal to 1 2 5 6 or 7.

Table of values

List of values