A218759 - cp's OEIS frontend

A218759 Unmatched value maps: number of n X 2 binary arrays indicating the locations of corresponding elements not equal to any horizontal or vertical neighbor in a random 0..1 n X 2 array.

n	a(n)
1	2
2	6
3	18
4	47
5	134
6	373
7	1035
8	2889
9	8050
10	22420
11	62477
12	174072
13	484983
14	1351277
15	3764915
16	10489750
17	29226504
18	81430659
19	226881448
20	632135485
21	1761251171
22	4907184849
23	13672362150
24	38093833868
25	106136756981
26	295717444696

[2, 6, 18, 47, 134, 373, 1035, 2889, 8050, 22420, 62477, 174072, 484983, 1351277, 3764915, 10489750, 29226504, 81430659, 226881448, 632135485, 1761251171, 4907184849, 13672362150, 38093833868, 106136756981, 295717444696]

cp's OEIS Frontend

A218759 Unmatched value maps: number of n X 2 binary arrays indicating the locations of corresponding elements not equal to any horizontal or vertical neighbor in a random 0..1 n X 2 array.

Table of values

List of values