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 4, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

A235099

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 4, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

Terms

    a(0) =154a(1) =2498a(2) =30312a(3) =304746a(4) =2613410a(5) =20552136a(6) =147069470a(7) =1019570090a(8) =6616067648

External references