A222290 - cp's OEIS frontend

A222290 T(n,k)=Number of nXk 0..1 arrays with exactly floor(nXk/2) elements unequal to at least one horizontal or vertical 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	4
9	4
10	3
11	4
12	11
13	4
14	11
15	4
16	4
17	8
18	35
19	35
20	8
21	4
22	5
23	44
24	83
25	208
26	83
27	44
28	5
29	20
30	144
31	532
32	1125
33	1125
34	532
35	144
36	20
37	27
38	352
39	1427
40	6619
41	6582
42	6619
43	1427
44	352
45	27
46	48
47	692
48	8540
49	40321
50	89852
51	89852
52	40321
53	8540
54	692
55	48
56	63
57	2488
58	23798
59	250681

[1, 0, 0, 0, 0, 0, 3, 4, 4, 3, 4, 11, 4, 11, 4, 4, 8, 35, 35, 8, 4, 5, 44, 83, 208, 83, 44, 5, 20, 144, 532, 1125, 1125, 532, 144, 20, 27, 352, 1427, 6619, 6582, 6619, 1427, 352, 27, 48, 692, 8540, 40321, 89852, 89852, 40321, 8540, 692, 48, 63, 2488, 23798, 250681]

cp's OEIS Frontend

A222290 T(n,k)=Number of nXk 0..1 arrays with exactly floor(nXk/2) elements unequal to at least one horizontal or vertical neighbor, with new values introduced in row major 0..1 order.

Table of values

List of values