A179618 - cp's OEIS frontend

A179618 T(n,k) = Half the number of (n+1) X (k+1) 0..2 arrays with every 2 X 2 subblock diagonal sum differing from its antidiagonal sum by more than 2.

n	a(n)
1	5
2	11
3	11
4	21
5	35
6	21
7	43
8	93
9	93
10	43
11	85
12	269
13	314
14	269
15	85
16	171
17	747
18	1213
19	1213
20	747
21	171
22	341
23	2115
24	4375
25	6427
26	4375
27	2115
28	341
29	683
30	5933
31	16334
32	31387
33	31387
34	16334
35	5933
36	683
37	1365
38	16717
39	59925
40	159651
41	202841
42	159651
43	59925
44	16717
45	1365
46	2731

[5, 11, 11, 21, 35, 21, 43, 93, 93, 43, 85, 269, 314, 269, 85, 171, 747, 1213, 1213, 747, 171, 341, 2115, 4375, 6427, 4375, 2115, 341, 683, 5933, 16334, 31387, 31387, 16334, 5933, 683, 1365, 16717, 59925, 159651, 202841, 159651, 59925, 16717, 1365, 2731]

cp's OEIS Frontend

A179618 T(n,k) = Half the number of (n+1) X (k+1) 0..2 arrays with every 2 X 2 subblock diagonal sum differing from its antidiagonal sum by more than 2.

Table of values

List of values