Number of (n+1) X (n+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings).
A234650
Number of (n+1) X (n+1) 0..5 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings).
Terms
- a(0) =160a(1) =2648a(2) =28496a(3) =274520a(4) =2113072a(5) =16899896a(6) =118121744a(7) =888784184a(8) =6128843440
External references
- oeis: A234650