A265118 - cp's OEIS frontend

A265118 Number of 3Xn arrays containing n copies of 0..3-1 with row sums equal, column sums equal and full-length antidiagonal sums equal to the short dimension sums.

n	a(n)
1	0
2	0
3	8
4	6
5	10
6	26
7	42
8	70
9	150
10	282
11	506
12	1002
13	1950
14	3670
15	7126
16	13926
17	26826
18	52082
19	101802
20	198146
21	386238
22	755790
23	1478302
24	2892442
25	5670210
26	11122230
27	21823494
28	42863862
29	84247842
30	165655146
31	325927242
32	641635110
33	1263690038
34	2489962938

[0, 0, 8, 6, 10, 26, 42, 70, 150, 282, 506, 1002, 1950, 3670, 7126, 13926, 26826, 52082, 101802, 198146, 386238, 755790, 1478302, 2892442, 5670210, 11122230, 21823494, 42863862, 84247842, 165655146, 325927242, 641635110, 1263690038, 2489962938]

cp's OEIS Frontend

A265118 Number of 3Xn arrays containing n copies of 0..3-1 with row sums equal, column sums equal and full-length antidiagonal sums equal to the short dimension sums.

Table of values

List of values