A183738 - cp's OEIS frontend

A183738 T(n,k) = 1/16 the number of (n+1) X (k+1) 0..7 arrays with every 2 X 2 subblock strictly increasing clockwise or counterclockwise with one decrease, and at least two adjacent blocks having the same increasing direction.

n	a(n)
1	0
2	21
3	21
4	563
5	290
6	563
7	9403
8	13169
9	13169
10	9403
11	135578
12	550268
13	469254
14	550268
15	135578
16	1814815
17	19849923
18	32555965
19	32555965
20	19849923
21	1814815
22	23204876
23	667017027
24	2610816897
25	3202350892
26	2610816897
27	667017027
28	23204876
29	287769879

[0, 21, 21, 563, 290, 563, 9403, 13169, 13169, 9403, 135578, 550268, 469254, 550268, 135578, 1814815, 19849923, 32555965, 32555965, 19849923, 1814815, 23204876, 667017027, 2610816897, 3202350892, 2610816897, 667017027, 23204876, 287769879]

cp's OEIS Frontend

A183738 T(n,k) = 1/16 the number of (n+1) X (k+1) 0..7 arrays with every 2 X 2 subblock strictly increasing clockwise or counterclockwise with one decrease, and at least two adjacent blocks having the same increasing direction.

Table of values

List of values