A221337 - cp's OEIS frontend

A221337 T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some king-move neighbor, with every occupancy equal to zero or two.

n	a(n)
1	0
2	2
3	2
4	0
5	6
6	0
7	4
8	20
9	20
10	4
11	0
12	68
13	0
14	68
15	0
16	8
17	232
18	790
19	790
20	232
21	8
22	0
23	792
24	0
25	10704
26	0
27	792
28	0
29	16
30	2704
31	34042
32	142792
33	142792
34	34042
35	2704
36	16
37	0
38	9232
39	0
40	1937900
41	0
42	1937900
43	0
44	9232
45	0
46	32
47	31520
48	1470618
49	26264018

[0, 2, 2, 0, 6, 0, 4, 20, 20, 4, 0, 68, 0, 68, 0, 8, 232, 790, 790, 232, 8, 0, 792, 0, 10704, 0, 792, 0, 16, 2704, 34042, 142792, 142792, 34042, 2704, 16, 0, 9232, 0, 1937900, 0, 1937900, 0, 9232, 0, 32, 31520, 1470618, 26264018]

cp's OEIS Frontend

A221337 T(n,k)=Number of nXk arrays of occupancy after each element stays put or moves to some king-move neighbor, with every occupancy equal to zero or two.

Table of values

List of values