Number of (n+1) X (3+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

A235207

Number of (n+1) X (3+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

Terms

    a(0) =5696a(1) =18444a(2) =61160a(3) =215996a(4) =781040a(5) =2971196a(6) =11553392a(7) =46833260a(8) =193465560a(9) =826218532a(10) =3581539136a(11) =15932122292a(12) =71644936160a(13) =328631733908

External references