A222456 - cp's OEIS frontend

A222456 T(n,k) = Number of n X k 0..1 arrays with exactly floor(n X k/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.

n	a(n)
1	1
2	0
3	0
4	0
5	0
6	0
7	3
8	2
9	2
10	3
11	4
12	7
13	2
14	7
15	4
16	4
17	10
18	17
19	17
20	10
21	4
22	5
23	23
24	27
25	101
26	27
27	23
28	5
29	20
30	64
31	194
32	426
33	426
34	194
35	64
36	20
37	27
38	175
39	467
40	1722
41	1847
42	1722
43	467
44	175
45	27
46	48
47	400
48	2375
49	8483
50	16440
51	16440
52	8483
53	2375
54	400
55	48
56	63
57	983
58	6320
59	46788
60	84558
61	161779
62	84558

[1, 0, 0, 0, 0, 0, 3, 2, 2, 3, 4, 7, 2, 7, 4, 4, 10, 17, 17, 10, 4, 5, 23, 27, 101, 27, 23, 5, 20, 64, 194, 426, 426, 194, 64, 20, 27, 175, 467, 1722, 1847, 1722, 467, 175, 27, 48, 400, 2375, 8483, 16440, 16440, 8483, 2375, 400, 48, 63, 983, 6320, 46788, 84558, 161779, 84558]

cp's OEIS Frontend

A222456 T(n,k) = Number of n X k 0..1 arrays with exactly floor(n X k/2) elements unequal to at least one horizontal, vertical or antidiagonal neighbor, with new values introduced in row major 0..1 order.

Table of values

List of values