Number of 6Xn 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, diagonally or antidiagonally, top left element zero, and 1 appearing before 2 in row major order.
A233103
Number of 6Xn 0..3 arrays with no element x(i,j) adjacent to value 3-x(i,j) horizontally, diagonally or antidiagonally, top left element zero, and 1 appearing before 2 in row major order.
Terms
- a(0) =528a(1) =25211a(2) =2920145a(3) =304926626a(4) =33113065637
External references
- oeis: A233103