A252530 - cp's OEIS frontend

A252530 Number of (n+2) X (6+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	932
2	1000
3	1760
4	2440
5	7184
6	13184
7	18656
8	54464
9	101888
10	145792
11	423680
12	800768
13	1152512
14	3341312
15	6348800
16	9164800
17	26537984
18	50561024
19	73097216
20	211533824
21	403570688
22	583892992
23	1689190400
24	3224895488
25	4667604992
26	13501202432

[932, 1000, 1760, 2440, 7184, 13184, 18656, 54464, 101888, 145792, 423680, 800768, 1152512, 3341312, 6348800, 9164800, 26537984, 50561024, 73097216, 211533824, 403570688, 583892992, 1689190400, 3224895488, 4667604992, 13501202432]

cp's OEIS Frontend

A252530 Number of (n+2) X (6+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