A196957 - cp's OEIS frontend

A196957 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 2,1,3,4,0 for x=0,1,2,3,4.

n	a(n)
1	1
2	2
3	2
4	3
5	5
6	3
7	4
8	9
9	9
10	4
11	6
12	20
13	26
14	20
15	6
16	9
17	41
18	87
19	87
20	41
21	9
22	13
23	85
24	282
25	492
26	282
27	85
28	13
29	19
30	178
31	919
32	2687
33	2687
34	919
35	178
36	19
37	28
38	369
39	2987
40	14509
41	23956
42	14509
43	2987
44	369
45	28
46	41
47	769
48	9722
49	78717
50	214124
51	214124
52	78717
53	9722
54	769
55	41
56	60
57	1600
58	31643

[1, 2, 2, 3, 5, 3, 4, 9, 9, 4, 6, 20, 26, 20, 6, 9, 41, 87, 87, 41, 9, 13, 85, 282, 492, 282, 85, 13, 19, 178, 919, 2687, 2687, 919, 178, 19, 28, 369, 2987, 14509, 23956, 14509, 2987, 369, 28, 41, 769, 9722, 78717, 214124, 214124, 78717, 9722, 769, 41, 60, 1600, 31643]

cp's OEIS Frontend

A196957 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 2,1,3,4,0 for x=0,1,2,3,4.

Table of values

List of values