A197054 - cp's OEIS frontend

A197054 T(n,k)=Number of nXk 0..4 arrays with each element equal to the number of its horizontal and vertical zero neighbors.

n	a(n)
1	1
2	2
3	2
4	2
5	2
6	2
7	3
8	4
9	4
10	3
11	4
12	6
13	10
14	6
15	4
16	5
17	10
18	18
19	18
20	10
21	5
22	7
23	16
24	38
25	42
26	38
27	16
28	7
29	9
30	26
31	78
32	108
33	108
34	78
35	26
36	9
37	12
38	42
39	156
40	274
41	358
42	274
43	156
44	42
45	12
46	16
47	68
48	320
49	692
50	1132
51	1132
52	692
53	320
54	68
55	16
56	21
57	110
58	654
59	1754
60	3580
61	4468
62	3580
63	1754
64	654
65	110
66	21
67	28

[1, 2, 2, 2, 2, 2, 3, 4, 4, 3, 4, 6, 10, 6, 4, 5, 10, 18, 18, 10, 5, 7, 16, 38, 42, 38, 16, 7, 9, 26, 78, 108, 108, 78, 26, 9, 12, 42, 156, 274, 358, 274, 156, 42, 12, 16, 68, 320, 692, 1132, 1132, 692, 320, 68, 16, 21, 110, 654, 1754, 3580, 4468, 3580, 1754, 654, 110, 21, 28]

cp's OEIS Frontend

A197054 T(n,k)=Number of nXk 0..4 arrays with each element equal to the number of its horizontal and vertical zero neighbors.

Table of values

List of values