A183719 - cp's OEIS frontend

A183719 T(n,k) = 1/20 of the number of (n+1) X (k+1) 0..4 arrays with every 2 X 2 subblock strictly increasing clockwise or counterclockwise with one decrease.

n	a(n)
1	2
2	5
3	5
4	12
5	17
6	12
7	29
8	54
9	54
10	29
11	70
12	174
13	224
14	174
15	70
16	169
17	559
18	950
19	950
20	559
21	169
22	408
23	1797
24	4012
25	5362
26	4012
27	1797
28	408
29	985
30	5776
31	16964
32	30113
33	30113
34	16964
35	5776
36	985
37	2378
38	18566
39	71712
40	169560
41	224640
42	169560
43	71712
44	18566
45	2378
46	5741
47	59677

[2, 5, 5, 12, 17, 12, 29, 54, 54, 29, 70, 174, 224, 174, 70, 169, 559, 950, 950, 559, 169, 408, 1797, 4012, 5362, 4012, 1797, 408, 985, 5776, 16964, 30113, 30113, 16964, 5776, 985, 2378, 18566, 71712, 169560, 224640, 169560, 71712, 18566, 2378, 5741, 59677]

cp's OEIS Frontend

A183719 T(n,k) = 1/20 of the number of (n+1) X (k+1) 0..4 arrays with every 2 X 2 subblock strictly increasing clockwise or counterclockwise with one decrease.

Table of values

List of values