A197672 - cp's OEIS frontend

A197672 T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 4,0,1,0,1 for x=0,1,2,3,4.

n	a(n)
1	1
2	3
3	3
4	4
5	9
6	4
7	5
8	22
9	22
10	5
11	9
12	71
13	95
14	71
15	9
16	16
17	217
18	546
19	546
20	217
21	16
22	25
23	642
24	2765
25	5005
26	2765
27	642
28	25
29	39
30	1963
31	14503
32	44323
33	44323
34	14503
35	1963
36	39
37	64
38	5963
39	74812
40	403960
41	709083
42	403960
43	74812
44	5963
45	64
46	105
47	18018
48	386556
49	3675345
50	11277331

[1, 3, 3, 4, 9, 4, 5, 22, 22, 5, 9, 71, 95, 71, 9, 16, 217, 546, 546, 217, 16, 25, 642, 2765, 5005, 2765, 642, 25, 39, 1963, 14503, 44323, 44323, 14503, 1963, 39, 64, 5963, 74812, 403960, 709083, 403960, 74812, 5963, 64, 105, 18018, 386556, 3675345, 11277331]

cp's OEIS Frontend

A197672 T(n,k)=Number of nXk 0..4 arrays with each element x equal to the number of its horizontal and vertical neighbors equal to 4,0,1,0,1 for x=0,1,2,3,4.

Table of values

List of values