A238255 - cp's OEIS frontend

A238255 T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with 2X2 subblock sums lexicographically nondecreasing columnwise and rowwise.

n	a(n)
1	16
2	44
3	44
4	121
5	180
6	121
7	286
8	804
9	804
10	286
11	676
12	2818
13	6828
14	2818
15	676
16	1482
17	9991
18	43456
19	43456
20	9991
21	1482
22	3249
23	29995
24	284992
25	523578
26	284992
27	29995
28	3249
29	6840
30	90225
31	1473792
32	6683137
33	6683137
34	1473792
35	90225
36	6840
37	14400
38	241945
39	7616082

[16, 44, 44, 121, 180, 121, 286, 804, 804, 286, 676, 2818, 6828, 2818, 676, 1482, 9991, 43456, 43456, 9991, 1482, 3249, 29995, 284992, 523578, 284992, 29995, 3249, 6840, 90225, 1473792, 6683137, 6683137, 1473792, 90225, 6840, 14400, 241945, 7616082]

cp's OEIS Frontend

A238255 T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with 2X2 subblock sums lexicographically nondecreasing columnwise and rowwise.

Table of values

List of values