A221030 - cp's OEIS frontend

A221030 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..2 n X 3 array.

n	a(n)
1	4
2	33
3	228
4	1561
5	10648
6	72625
7	495329
8	3378333
9	23041525
10	157152036
11	1071837150
12	7310340394
13	49859324875
14	340059715828
15	2319337668908
16	15818772327435
17	107890093495975
18	735851811608802
19	5018791541488065
20	34230082931837488

[4, 33, 228, 1561, 10648, 72625, 495329, 3378333, 23041525, 157152036, 1071837150, 7310340394, 49859324875, 340059715828, 2319337668908, 15818772327435, 107890093495975, 735851811608802, 5018791541488065, 34230082931837488]

cp's OEIS Frontend

A221030 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..2 n X 3 array.

Table of values

List of values