A235679 - cp's OEIS frontend

A235679 T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise.

n	a(n)
1	16
2	58
3	58
4	208
5	380
6	208
7	742
8	2456
9	2456
10	742
11	2644
12	15790
13	28584
14	15790
15	2644
16	9418
17	101398
18	330840
19	330840
20	101398
21	9418
22	33544
23	650928
24	3824528
25	6894210
26	3824528
27	650928
28	33544
29	119470
30	4178316
31	44196144
32	143484144
33	143484144
34	44196144

[16, 58, 58, 208, 380, 208, 742, 2456, 2456, 742, 2644, 15790, 28584, 15790, 2644, 9418, 101398, 330840, 330840, 101398, 9418, 33544, 650928, 3824528, 6894210, 3824528, 650928, 33544, 119470, 4178316, 44196144, 143484144, 143484144, 44196144]

cp's OEIS Frontend

A235679 T(n,k)=Number of (n+1)X(k+1) 0..1 arrays with the difference between each 2X2 subblock maximum and minimum lexicographically nondecreasing columnwise and nonincreasing rowwise.

Table of values

List of values