A230179 - cp's OEIS frontend

A230179 Number of n X 3 0..2 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value 2-x(i,j).

n	a(n)
1	3
2	27
3	231
4	1971
5	16815
6	143451
7	1223799
8	10440387
9	89068287
10	759853035
11	6482404167
12	55302225363
13	471790411599
14	4024904802939
15	34336981580055
16	292933215008739
17	2499051008758431
18	21319726218790923
19	181881331934084583

[3, 27, 231, 1971, 16815, 143451, 1223799, 10440387, 89068287, 759853035, 6482404167, 55302225363, 471790411599, 4024904802939, 34336981580055, 292933215008739, 2499051008758431, 21319726218790923, 181881331934084583]

cp's OEIS Frontend

A230179 Number of n X 3 0..2 arrays x(i,j) with each element horizontally or antidiagonally next to at least one element with value 2-x(i,j).

Table of values

List of values