A231400 - cp's OEIS frontend

A231400 Number of (4+1)X(n+1) 0..2 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.

n	a(n)
1	12
2	20
3	272
4	1096
5	8340
6	55788
7	345022
8	2502891
9	16525492
10	113585134
11	799820476
12	5455236715
13	38507382540
14	268963425191
15	1882384615623
16	13300278749856
17	93433472155344
18	659971112697126
19	4663864398488500
20	32941704521261841

[12, 20, 272, 1096, 8340, 55788, 345022, 2502891, 16525492, 113585134, 799820476, 5455236715, 38507382540, 268963425191, 1882384615623, 13300278749856, 93433472155344, 659971112697126, 4663864398488500, 32941704521261841]

cp's OEIS Frontend

A231400 Number of (4+1)X(n+1) 0..2 arrays with no element unequal to a strict majority of its horizontal, diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.

Table of values

List of values