A217273 - cp's OEIS frontend

A217273 T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal or vertical neighbor.

n	a(n)
1	0
2	1
3	1
4	2
5	9
6	2
7	4
8	64
9	64
10	4
11	8
12	441
13	1472
14	441
15	8
16	16
17	3025
18	33856
19	33856
20	3025
21	16
22	32
23	20736
24	772800
25	2572816
26	772800
27	20736
28	32
29	64
30	142129
31	17640000
32	194881600
33	194881600
34	17640000
35	142129
36	64
37	128
38	974169
39	402494400
40	14755689729

[0, 1, 1, 2, 9, 2, 4, 64, 64, 4, 8, 441, 1472, 441, 8, 16, 3025, 33856, 33856, 3025, 16, 32, 20736, 772800, 2572816, 772800, 20736, 32, 64, 142129, 17640000, 194881600, 194881600, 17640000, 142129, 64, 128, 974169, 402494400, 14755689729]

cp's OEIS Frontend

A217273 T(n,k)=Number of nXk arrays of occupancy after each element moves to some horizontal or vertical neighbor.

Table of values

List of values