A268159 - cp's OEIS frontend

A268159 T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with every element equal to at least one vertical or antidiagonal neighbor and the top left element equal to 0.

n	a(n)
1	0
2	0
3	0
4	0
5	1
6	0
7	0
8	1
9	0
10	0
11	0
12	3
13	8
14	6
15	0
16	0
17	7
18	14
19	36
20	0
21	0
22	0
23	17
24	52
25	906
26	456
27	120
28	0
29	0
30	42
31	1516
32	31818
33	23592
34	6360
35	0
36	0
37	0
38	104
39	7582
40	770406
41	10213152
42	3304920
43	93600
44	5040
45	0
46	0
47	259
48	46338
49	28194516
50	871718016
51	4067565720
52	334738800
53	1784160
54	0
55	0
56	0
57	648

[0, 0, 0, 0, 1, 0, 0, 1, 0, 0, 0, 3, 8, 6, 0, 0, 7, 14, 36, 0, 0, 0, 17, 52, 906, 456, 120, 0, 0, 42, 1516, 31818, 23592, 6360, 0, 0, 0, 104, 7582, 770406, 10213152, 3304920, 93600, 5040, 0, 0, 259, 46338, 28194516, 871718016, 4067565720, 334738800, 1784160, 0, 0, 0, 648]

cp's OEIS Frontend

A268159 T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with every element equal to at least one vertical or antidiagonal neighbor and the top left element equal to 0.

Table of values

List of values