Number of (n+1) X (6+1) 0..6 arrays with every 2 X 2 subblock having its diagonal sum differing from its antidiagonal sum by 4 (constant-stress 1 X 1 tilings).

A234664

Number of (n+1) X (6+1) 0..6 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) =2564388a(1) =8659270a(2) =29828832a(3) =109044744a(4) =406314140a(5) =1591037136a(6) =6340767776a(7) =26370069748a(8) =111476657864a(9) =489100455892

External references