A267724 - cp's OEIS frontend

A267724 T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with every element equal to at least one horizontal neighbor and the top left element equal to 0.

n	a(n)
1	0
2	1
3	0
4	1
5	1
6	0
7	1
8	1
9	2
10	0
11	1
12	3
13	2
14	6
15	0
16	1
17	5
18	30
19	6
20	24
21	0
22	1
23	12
24	58
25	630
26	24
27	120
28	0
29	1
30	26
31	588
32	1398
33	22680
34	120
35	720
36	0
37	1
38	60
39	2388
40	93672
41	55896
42	1247400
43	720
44	5040
45	0
46	1
47	143
48	17456
49	609264
50	33807456
51	3353880
52	97297200
53	5040
54	40320
55	0
56	1
57	353
58	102874

[0, 1, 0, 1, 1, 0, 1, 1, 2, 0, 1, 3, 2, 6, 0, 1, 5, 30, 6, 24, 0, 1, 12, 58, 630, 24, 120, 0, 1, 26, 588, 1398, 22680, 120, 720, 0, 1, 60, 2388, 93672, 55896, 1247400, 720, 5040, 0, 1, 143, 17456, 609264, 33807456, 3353880, 97297200, 5040, 40320, 0, 1, 353, 102874]

cp's OEIS Frontend

A267724 T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with every element equal to at least one horizontal neighbor and the top left element equal to 0.

Table of values

List of values