Number of (n+1) X (n+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings).
A234682
Number of (n+1) X (n+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5 (constant-stress 1 X 1 tilings).
Terms
- a(0) =232a(1) =4416a(2) =49480a(3) =531984a(4) =4224328a(5) =37361280a(6) =265716040a(7) =2168371104
External references
- oeis: A234682