Number of (n+1) X (2+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings).
A234551
Number of (n+1) X (2+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 3 (constant-stress 1 X 1 tilings).
Terms
- a(0) =2716a(1) =22458a(2) =184816a(3) =1527660a(4) =12632704a(5) =104793676a(6) =870061872a(7) =7247511972a(8) =60427123392a(9) =505598378732
External references
- oeis: A234551