A252534 - cp's OEIS frontend

A252534 Number of (2+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.

n	a(n)
1	595
2	337
3	341
4	462
5	706
6	1000
7	1468
8	2420
9	3480
10	5240
11	8872
12	12880
13	19696
14	33872
15	49440
16	76256
17	132256
18	193600
19	299968
20	522560
21	766080
22	1189760
23	2077312
24	3047680
25	4738816
26	8283392
27	12157440
28	18914816
29	33081856
30	48563200
31	75578368
32	132224000

[595, 337, 341, 462, 706, 1000, 1468, 2420, 3480, 5240, 8872, 12880, 19696, 33872, 49440, 76256, 132256, 193600, 299968, 522560, 766080, 1189760, 2077312, 3047680, 4738816, 8283392, 12157440, 18914816, 33081856, 48563200, 75578368, 132224000]

cp's OEIS Frontend

A252534 Number of (2+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

List of values