A252572 - cp's OEIS frontend

A252572 Number of (n+2)X(6+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	5401
2	23007
3	92725
4	395500
5	2538669
6	11285381
7	53055996
8	337833222
9	1537313257
10	7468646942
11	48266349656
12	221948510836
13	1091522283798
14	7130961567961
15	32949908161991
16	162858861392766
17	1070100774007537
18	4955450639355900

[5401, 23007, 92725, 395500, 2538669, 11285381, 53055996, 337833222, 1537313257, 7468646942, 48266349656, 221948510836, 1091522283798, 7130961567961, 32949908161991, 162858861392766, 1070100774007537, 4955450639355900]

cp's OEIS Frontend

A252572 Number of (n+2)X(6+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