Number of (n+1) X (4+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings).

A234708

Number of (n+1) X (4+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings).

Terms

    a(0) =47306a(1) =127586a(2) =334938a(3) =1108418a(4) =3530906a(5) =13445762a(6) =48741018a(7) =204403250a(8) =809806586a(9) =3649630466a(10) =15448766778a(11) =73732987538a(12) =328732631066

External references