Number of (n+1) X (3+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2 (constant-stress 1 X 1 tilings).
A234187
Number of (n+1) X (3+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 2 (constant-stress 1 X 1 tilings).
Terms
- a(0) =33720a(1) =549448a(2) =9120608a(3) =153306026a(4) =2571461348a(5) =43400523142a(6) =730012705548
External references
- oeis: A234187