T(n,k) is the number of (n+1) X (k+1) 0..7 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).
A234911
T(n,k) is the number of (n+1) X (k+1) 0..7 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) =280a(1) =1720a(2) =1720a(3) =10344a(4) =12336a(5) =10344a(6) =65048a(7) =88092a(8) =88092a(9) =65048a(10) =395992a(11) =692608a(12) =734168a(13) =692608a(14) =395992a(15) =2497560a(16) =5287952a(17) =7067096a(18) =7067096a(19) =5287952a(20) =2497560a(21) =15235088a(22) =42777680a(23) =66054728a(24) =87088300a(25) =66054728a(26) =42777680a(27) =15235088a(28) =96142104
External references
- oeis: A234911