A218426 - cp's OEIS frontend

A218426 T(n,k)=Hilltop maps: number of nXk binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, vertical or antidiagonal neighbor in a random 0..1 nXk array.

n	a(n)
1	1
2	3
3	3
4	5
5	13
6	5
7	9
8	49
9	49
10	9
11	17
12	191
13	357
14	191
15	17
16	31
17	737
18	2725
19	2725
20	737
21	31
22	57
23	2849
24	20793
25	41515
26	20793
27	2849
28	57
29	105
30	11011
31	158429
32	629659
33	629659
34	158429
35	11011
36	105
37	193
38	42557
39	1207525
40	9539915
41	19003811
42	9539915
43	1207525
44	42557
45	193

[1, 3, 3, 5, 13, 5, 9, 49, 49, 9, 17, 191, 357, 191, 17, 31, 737, 2725, 2725, 737, 31, 57, 2849, 20793, 41515, 20793, 2849, 57, 105, 11011, 158429, 629659, 629659, 158429, 11011, 105, 193, 42557, 1207525, 9539915, 19003811, 9539915, 1207525, 42557, 193]

cp's OEIS Frontend

A218426 T(n,k)=Hilltop maps: number of nXk binary arrays indicating the locations of corresponding elements not exceeded by any horizontal, vertical or antidiagonal neighbor in a random 0..1 nXk array.

Table of values

List of values