A197889 - cp's OEIS frontend

A197889 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 0,2,1,1,1 for x=0,1,2,3,4.

n	a(n)
1	1
2	0
3	0
4	1
5	4
6	1
7	2
8	3
9	3
10	2
11	1
12	14
13	6
14	14
15	1
16	1
17	18
18	47
19	47
20	18
21	1
22	3
23	43
24	77
25	155
26	77
27	43
28	3
29	3
30	78
31	196
32	835
33	835
34	196
35	78
36	3
37	2
38	154
39	529
40	2263
41	2730
42	2263
43	529
44	154
45	2
46	4
47	305
48	1637
49	10827
50	17890
51	17890
52	10827
53	1637
54	305
55	4
56	6
57	572
58	4235
59	38938
60	92843
61	129294
62	92843

[1, 0, 0, 1, 4, 1, 2, 3, 3, 2, 1, 14, 6, 14, 1, 1, 18, 47, 47, 18, 1, 3, 43, 77, 155, 77, 43, 3, 3, 78, 196, 835, 835, 196, 78, 3, 2, 154, 529, 2263, 2730, 2263, 529, 154, 2, 4, 305, 1637, 10827, 17890, 17890, 10827, 1637, 305, 4, 6, 572, 4235, 38938, 92843, 129294, 92843]

cp's OEIS Frontend

A197889 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 0,2,1,1,1 for x=0,1,2,3,4.

Table of values

List of values