Number of (n+1) X (1+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

A234883

Number of (n+1) X (1+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 1, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

Terms

    a(0) =80a(1) =272a(2) =856a(3) =2896a(4) =9192a(5) =31064a(6) =98696a(7) =333456a(8) =1059616a(9) =3579832a(10) =11375904a(11) =38432120a(12) =122129480a(13) =412598472a(14) =1311156208a(15) =4429566640a(16) =14076290136a(17) =47554864016a(18) =151120001288a(19) =510538698456

External references