A196017 - cp's OEIS frontend

A196017 T(n,k) = Number of n X k 0..4 arrays with each element equal to the number of its horizontal and vertical neighbors within one of itself.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	1
7	1
8	1
9	1
10	1
11	1
12	1
13	2
14	1
15	1
16	1
17	3
18	7
19	7
20	3
21	1
22	1
23	5
24	13
25	25
26	13
27	5
28	1
29	1
30	9
31	16
32	27
33	27
34	16
35	9
36	1
37	1
38	17
39	32
40	91
41	106
42	91
43	32
44	17
45	1
46	1
47	31
48	65
49	231
50	316
51	316
52	231
53	65
54	31
55	1
56	1
57	57
58	125
59	455
60	835
61	708
62	835
63	455
64	125
65	57
66	1
67	1
68	105
69	211
70	1135
71	2350
72	3572
73	3572
74	2350

[1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 1, 3, 7, 7, 3, 1, 1, 5, 13, 25, 13, 5, 1, 1, 9, 16, 27, 27, 16, 9, 1, 1, 17, 32, 91, 106, 91, 32, 17, 1, 1, 31, 65, 231, 316, 316, 231, 65, 31, 1, 1, 57, 125, 455, 835, 708, 835, 455, 125, 57, 1, 1, 105, 211, 1135, 2350, 3572, 3572, 2350]

cp's OEIS Frontend

A196017 T(n,k) = Number of n X k 0..4 arrays with each element equal to the number of its horizontal and vertical neighbors within one of itself.

Table of values

List of values