Number of n X 4 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, diagonally or antidiagonally, and top left element zero.
A232951
Number of n X 4 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, diagonally or antidiagonally, and top left element zero.
Terms
- a(0) =27a(1) =771a(2) =22971a(3) =685251a(4) =20442651a(5) =609853251a(6) =18193384251a(7) =542752261251
External references
- oeis: A232951