A266572 - cp's OEIS frontend

A266572 T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element 1 greater than its northwest or southwest neighbor modulo n and the upper left element equal to 0.

n	a(n)
1	1
2	1
3	1
4	1
5	1
6	2
7	1
8	1
9	5
10	6
11	1
12	1
13	15
14	74
15	24
16	1
17	1
18	109
19	2320
20	2668
21	120
22	1
23	1
24	574
25	77830
26	729874
27	150836
28	720
29	1
30	1
31	2840
32	2595190
33	227032241
34	466056593
35	12011058
36	5040
37	1
38	1
39	13767
40	94930586
41	81044162960
42	1814200905314
43	515679132204
44	1279437414

[1, 1, 1, 1, 1, 2, 1, 1, 5, 6, 1, 1, 15, 74, 24, 1, 1, 109, 2320, 2668, 120, 1, 1, 574, 77830, 729874, 150836, 720, 1, 1, 2840, 2595190, 227032241, 466056593, 12011058, 5040, 1, 1, 13767, 94930586, 81044162960, 1814200905314, 515679132204, 1279437414]

cp's OEIS Frontend

A266572 T(n,k)=Number of nXk arrays containing k copies of 0..n-1 with no element 1 greater than its northwest or southwest neighbor modulo n and the upper left element equal to 0.

Table of values

List of values