Number of (n+1) X (n+1) 0..4 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).

A235010

Number of (n+1) X (n+1) 0..4 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) =40a(1) =224a(2) =936a(3) =3560a(4) =12168a(5) =40968a(6) =128776a(7) =410760a(8) =1234216a(9) =3822728a(10) =11173128a(11) =33988808a(12) =97552008a(13) =293248008a(14) =831164584

External references