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).
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).
Terms
- a(0) =3a(1) =193a(2) =3787a(3) =78849a(4) =1637019a(5) =33908253a(6) =704822331a(7) =14643857893a(8) =304104787011
External references
- oeis: A230171