Number of (n+1) X (5+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).
A234655
Number of (n+1) X (5+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) =67840a(1) =144512a(2) =315024a(3) =808160a(4) =2113072a(5) =6250544a(6) =18735792a(7) =61854032a(8) =205847920a(9) =742330832a(10) =2685104304a(11) =10406929040a(12) =40243778032a(13) =165309636944a(14) =673859691312
External references
- oeis: A234655