Number of (n+1) X (4+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings).

A234553

Number of (n+1) X (4+1) 0..6 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) =153752a(1) =1527660a(2) =15022720a(3) =149584336a(4) =1489279544a(5) =14987310200a(6) =150974940800

External references