Number of (n+1) X (2+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

A235206

Number of (n+1) X (2+1) 0..7 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 5, with no adjacent elements equal (constant-stress tilted 1 X 1 tilings).

Terms

    a(0) =1172a(1) =4616a(2) =18444a(3) =76112a(4) =319156a(5) =1374400a(6) =5998924a(7) =26765648a(8) =120643572a(9) =553515168a(10) =2557495628a(11) =11985104432a(12) =56413124340a(13) =268564680000

External references