A221290 - cp's OEIS frontend

A221290 T(n,k) = Equals two maps: number of n X k binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..3 n X k array.

n	a(n)
1	1
2	1
3	1
4	2
5	4
6	1
7	4
8	16
9	12
10	1
11	7
12	52
13	92
14	37
15	1
16	12
17	200
18	673
19	556
20	114
21	1
22	21
23	792
24	5912
25	9107
26	3332
27	351
28	1
29	37
30	3080
31	48298
32	172904
33	123958
34	19996
35	1081
36	1
37	65
38	12164
39	396846
40	2890017
41	4983598
42	1686304
43	119972
44	3329
45	1
46	114
47	47827
48	3240527
49	49684593

[1, 1, 1, 2, 4, 1, 4, 16, 12, 1, 7, 52, 92, 37, 1, 12, 200, 673, 556, 114, 1, 21, 792, 5912, 9107, 3332, 351, 1, 37, 3080, 48298, 172904, 123958, 19996, 1081, 1, 65, 12164, 396846, 2890017, 4983598, 1686304, 119972, 3329, 1, 114, 47827, 3240527, 49684593]

cp's OEIS Frontend

A221290 T(n,k) = Equals two maps: number of n X k binary arrays indicating the locations of corresponding elements equal to exactly two of their horizontal and antidiagonal neighbors in a random 0..3 n X k array.

Table of values

List of values