Number of (n+1) X (n+1) 0..5 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).

A235090

Number of (n+1) X (n+1) 0..5 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) =80a(1) =656a(2) =3832a(3) =21264a(4) =102336a(5) =524728a(6) =2420288a(7) =12147808a(8) =55604120a(9) =276524288a(10) =1267295968a(11) =6262860184

External references