A221001 - cp's OEIS frontend

A221001 T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal or vertical neighbor.

n	a(n)
1	1
2	3
3	3
4	8
5	31
6	8
7	21
8	306
9	306
10	21
11	55
12	2989
13	11017
14	2989
15	55
16	144
17	29135
18	394580
19	394580
20	29135
21	144
22	377
23	283872
24	14113081
25	51672851
26	14113081
27	283872
28	377
29	987
30	2765627
31	504635391
32	6758547145
33	6758547145
34	504635391
35	2765627
36	987
37	2584

[1, 3, 3, 8, 31, 8, 21, 306, 306, 21, 55, 2989, 11017, 2989, 55, 144, 29135, 394580, 394580, 29135, 144, 377, 283872, 14113081, 51672851, 14113081, 283872, 377, 987, 2765627, 504635391, 6758547145, 6758547145, 504635391, 2765627, 987, 2584]

cp's OEIS Frontend

A221001 T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some horizontal or vertical neighbor.

Table of values

List of values