A231222 - cp's OEIS frontend

A231222 Number of (n+2)X(3+2) 0..2 arrays with no element unequal to a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.

n	a(n)
1	3
2	8
3	21
4	54
5	185
6	552
7	1799
8	5900
9	19185
10	63834
11	210899
12	701724
13	2336721
14	7786742
15	25984043
16	86721124
17	289569291
18	967130226
19	3230474181
20	10792263708
21	36056118433
22	120467821634
23	402509354825
24	1344900626136
25	4493772713417

[3, 8, 21, 54, 185, 552, 1799, 5900, 19185, 63834, 210899, 701724, 2336721, 7786742, 25984043, 86721124, 289569291, 967130226, 3230474181, 10792263708, 36056118433, 120467821634, 402509354825, 1344900626136, 4493772713417]

cp's OEIS Frontend

A231222 Number of (n+2)X(3+2) 0..2 arrays with no element unequal to a strict majority of its horizontal, vertical, diagonal and antidiagonal neighbors, with values 0..2 introduced in row major order.

Table of values

List of values