A199647 - cp's OEIS frontend

A199647 T(n,k)=Number of nXk 0..2 arrays with values 0..2 introduced in row major order and each element equal to one or two horizontal and vertical neighbors.

n	a(n)
1	0
2	1
3	1
4	1
5	3
6	1
7	2
8	13
9	13
10	2
11	3
12	60
13	112
14	60
15	3
16	6
17	288
18	1265
19	1265
20	288
21	6
22	11
23	1384
24	12748
25	29229
26	12748
27	1384
28	11
29	22
30	6628
31	134748
32	658770
33	658770
34	134748
35	6628
36	22
37	43
38	31772
39	1396083
40	15066222
41	32177372
42	15066222
43	1396083
44	31772
45	43
46	86
47	152304

[0, 1, 1, 1, 3, 1, 2, 13, 13, 2, 3, 60, 112, 60, 3, 6, 288, 1265, 1265, 288, 6, 11, 1384, 12748, 29229, 12748, 1384, 11, 22, 6628, 134748, 658770, 658770, 134748, 6628, 22, 43, 31772, 1396083, 15066222, 32177372, 15066222, 1396083, 31772, 43, 86, 152304]

cp's OEIS Frontend

A199647 T(n,k)=Number of nXk 0..2 arrays with values 0..2 introduced in row major order and each element equal to one or two horizontal and vertical neighbors.

Table of values

List of values