A219411 - cp's OEIS frontend

A219411 Unmatched value maps: number of 2 X n binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..2 2 X n array.

n	a(n)
1	1
2	7
3	28
4	98
5	351
6	1261
7	4523
8	16233
9	58268
10	209132
11	750597
12	2693993
13	9669101
14	34703683
15	124556124
16	447048462
17	1604516243
18	5758821685
19	20669175143
20	74184412085
21	266257698140
22	955634207080
23	3429897967721
24	12310358902801

[1, 7, 28, 98, 351, 1261, 4523, 16233, 58268, 209132, 750597, 2693993, 9669101, 34703683, 124556124, 447048462, 1604516243, 5758821685, 20669175143, 74184412085, 266257698140, 955634207080, 3429897967721, 12310358902801]

cp's OEIS Frontend

A219411 Unmatched value maps: number of 2 X n binary arrays indicating the locations of corresponding elements not equal to any horizontal or antidiagonal neighbor in a random 0..2 2 X n array.

Table of values

List of values