Number of (n+1) X (4+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).
A235208
Number of (n+1) X (4+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) =27812a(1) =76112a(2) =215996a(3) =672256a(4) =2154516a(5) =7402144a(6) =26061700a(7) =96901472a(8) =368028508a(9) =1459917480a(10) =5897896244a(11) =24670254104a(12) =104750603428a(13) =457238180840
External references
- oeis: A235208