Number of n X 4 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 in row major order.
A233078
Number of n X 4 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally or antidiagonally, top left element zero, and 1 appearing before 2 in row major order.
Terms
- a(0) =14a(1) =662a(2) =32414a(3) =1588262a(4) =77824814a(5) =3813415862a(6) =186857377214
External references
- oeis: A233078