Number of (n+1) X (3+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

A235066

Number of (n+1) X (3+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

Terms

    a(0) =4352a(1) =22936a(2) =126040a(3) =727376a(4) =4212792a(5) =24652260a(6) =144439680a(7) =851021376a(8) =5022415256a(9) =29788907152a(10) =177026662232

External references