Number of (n+1)X(n+1) binary arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.

A184062

Number of (n+1)X(n+1) binary arrays with rows and columns in nondecreasing order and with no 2X2 subblock sum differing from a horizontal or vertical neighbor subblock sum by more than one.

Terms

    a(0) =7a(1) =16a(2) =130a(3) =1918a(4) =56723a(5) =2663589a(6) =262752720a(7) =52431215293

External references