A231397 - cp's OEIS frontend

A231397 Number of (1+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	3
2	7
3	14
4	33
5	78
6	189
7	482
8	1225
9	3238
10	8565
11	23114
12	62657
13	171342
14	470573
15	1297330
16	3586745
17	9934454
18	27559269
19	76525210
20	212662577
21	591289630
22	1644693789
23	4576035586
24	12734509097
25	35443628358
26	98659578197
27	274645954794

[3, 7, 14, 33, 78, 189, 482, 1225, 3238, 8565, 23114, 62657, 171342, 470573, 1297330, 3586745, 9934454, 27559269, 76525210, 212662577, 591289630, 1644693789, 4576035586, 12734509097, 35443628358, 98659578197, 274645954794]

cp's OEIS Frontend

A231397 Number of (1+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