A220381 - cp's OEIS frontend

A220381 Majority value maps: number of n X 3 binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..1 n X 3 array.

n	a(n)
1	4
2	25
3	136
4	753
5	4160
6	22989
7	127037
8	702009
9	3879313
10	21437148
11	118462034
12	654623158
13	3617458391
14	19990134860
15	110465815644
16	610435923087
17	3373279000591
18	18640795512630
19	103009344107857
20	569231338133692

[4, 25, 136, 753, 4160, 22989, 127037, 702009, 3879313, 21437148, 118462034, 654623158, 3617458391, 19990134860, 110465815644, 610435923087, 3373279000591, 18640795512630, 103009344107857, 569231338133692]

cp's OEIS Frontend

A220381 Majority value maps: number of n X 3 binary arrays indicating the locations of corresponding elements equal to at least half of their horizontal and antidiagonal neighbors in a random 0..1 n X 3 array.

Table of values

List of values