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 8 (constant-stress 1 X 1 tilings).
A234732
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 8 (constant-stress 1 X 1 tilings).
Terms
- a(0) =672a(1) =2184a(2) =6048a(3) =21048a(4) =64320a(5) =233016a(6) =760608a(7) =2827992a(8) =9650112a(9) =36532344a(10) =128569248a(11) =493143768a(12) =1774812480a(13) =6874544376a(14) =25161581088a(15) =98188573272a(16) =364094768832
External references
- oeis: A234732