A205584 - cp's OEIS frontend

A205584 Number of (n+1) X 3 0..2 arrays with no 2 X 2 subblock having the same number of equal edges as its horizontal or vertical neighbors, and new values 0..2 introduced in row major order.

n	a(n)
1	74
2	550
3	4220
4	32500
5	248940
6	1910922
7	14668206
8	112560786
9	863863526
10	6629842280
11	50880821560
12	390488098388
13	2996825524800
14	22999305690670
15	176509524902826
16	1354632729727342
17	10396208030732474
18	79786307537199012

[74, 550, 4220, 32500, 248940, 1910922, 14668206, 112560786, 863863526, 6629842280, 50880821560, 390488098388, 2996825524800, 22999305690670, 176509524902826, 1354632729727342, 10396208030732474, 79786307537199012]

cp's OEIS Frontend

A205584 Number of (n+1) X 3 0..2 arrays with no 2 X 2 subblock having the same number of equal edges as its horizontal or vertical neighbors, and new values 0..2 introduced in row major order.

Table of values

List of values