A230171 - cp's OEIS frontend

A230171 Number of n X 3 0..2 arrays x(i,j) with each element horizontally, vertically, diagonally or antidiagonally next to at least one element with value 2-x(i,j).

n	a(n)
1	3
2	193
3	3787
4	78849
5	1637019
6	33908253
7	704822331
8	14643857893
9	304104787011
10	6315931613849
11	131183171878903
12	2724650132436217
13	56590036701710599
14	1175359025263665849
15	24411897444501278899
16	507028430780683682221
17	10530840582576107745111
18	218722669602330105884245

[3, 193, 3787, 78849, 1637019, 33908253, 704822331, 14643857893, 304104787011, 6315931613849, 131183171878903, 2724650132436217, 56590036701710599, 1175359025263665849, 24411897444501278899, 507028430780683682221, 10530840582576107745111, 218722669602330105884245]

cp's OEIS Frontend

A230171 Number of n X 3 0..2 arrays x(i,j) with each element horizontally, vertically, diagonally or antidiagonally next to at least one element with value 2-x(i,j).

Table of values

List of values