Number of (n+1) X (1+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings).

A234228

Number of (n+1) X (1+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings).

Terms

    a(0) =568a(1) =5260a(2) =48592a(3) =449880a(4) =4160672a(5) =38547120a(6) =356781376a(7) =3308068320a(8) =30642026624a(9) =284343188160

External references