A231215 - cp's OEIS frontend

A231215 Number of (n+1) X (4+1) 0..2 arrays with no element unequal to a strict majority of its horizontal and vertical neighbors, with values 0..2 introduced in row major order.

n	a(n)
1	12
2	59
3	408
4	2892
5	20027
6	139438
7	969461
8	6745110
9	46938804
10	326645650
11	2273218682
12	15819608975
13	110091246193
14	766140117967
15	5331683762978
16	37103974744989
17	258212125773531
18	1796936761480570
19	12505151919361622

[12, 59, 408, 2892, 20027, 139438, 969461, 6745110, 46938804, 326645650, 2273218682, 15819608975, 110091246193, 766140117967, 5331683762978, 37103974744989, 258212125773531, 1796936761480570, 12505151919361622]

cp's OEIS Frontend

A231215 Number of (n+1) X (4+1) 0..2 arrays with no element unequal to a strict majority of its horizontal and vertical neighbors, with values 0..2 introduced in row major order.

Table of values

List of values