Number of (n+1) X (2+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).

A235092

Number of (n+1) X (2+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) =256a(1) =656a(2) =1728a(3) =4820a(4) =13624a(5) =39884a(6) =117488a(7) =354588a(8) =1072888a(9) =3306172a(10) =10189840a(11) =31866620a(12) =99499864a(13) =314460540a(14) =990959472a(15) =3155587516a(16) =10009630136a(17) =32048121852a(18) =102135500880a(19) =328299662204

External references