Number of (n+1) X (n+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings).
A234815
Number of (n+1) X (n+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 6 (constant-stress 1 X 1 tilings).
Terms
- a(0) =168a(1) =2220a(2) =15224a(3) =129384a(4) =747192a(5) =5441232a(6) =29871848a(7) =201644928a(8) =1092396888a(9) =7078853280
External references
- oeis: A234815