A231258 - cp's OEIS frontend

A231258 Number of (n+1) X (3+1) 0..2 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..2 introduced in row major order.

n	a(n)
1	4
2	32
3	304
4	2982
5	29366
6	289230
7	2848550
8	28054534
9	276301638
10	2721223974
11	26800640678
12	263952669990
13	2599602461350
14	25602820961958
15	252155647340198
16	2483416596612262
17	24458536057349286
18	240885877498412198

[4, 32, 304, 2982, 29366, 289230, 2848550, 28054534, 276301638, 2721223974, 26800640678, 263952669990, 2599602461350, 25602820961958, 252155647340198, 2483416596612262, 24458536057349286, 240885877498412198]

cp's OEIS Frontend

A231258 Number of (n+1) X (3+1) 0..2 arrays with no element unequal to a strict majority of its horizontal and antidiagonal neighbors, with values 0..2 introduced in row major order.

Table of values

List of values