Number of (n+1) X (1+1) 0..2 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).

A234436

Number of (n+1) X (1+1) 0..2 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1 (constant-stress 1 X 1 tilings).

Terms

    a(0) =32a(1) =120a(2) =448a(3) =1680a(4) =6272a(5) =23520a(6) =87808a(7) =329280a(8) =1229312a(9) =4609920a(10) =17210368a(11) =64538880a(12) =240945152a(13) =903544320a(14) =3373232128a(15) =12649620480a(16) =47225249792a(17) =177094686720a(18) =661153497088

External references