Number of (n+1)X(1+1) 0..3 arrays with the maximum minus the minimum of every 2X2 subblock equal.

A237333

Number of (n+1)X(1+1) 0..3 arrays with the maximum minus the minimum of every 2X2 subblock equal.

Terms

    a(0) =256a(1) =1980a(2) =15082a(3) =120808a(4) =972356a(5) =7935194a(6) =65088736a(7) =536949612a(8) =4446049514a(9) =36942292664a(10) =307835761076

External references