Number of (n+2)X(4+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 1 and no row sum 1 and no column sum 1.

A255097

Number of (n+2)X(4+2) 0..1 arrays with no 3x3 subblock diagonal sum 1 and no antidiagonal sum 1 and no row sum 1 and no column sum 1.

Terms

    a(0) =419a(1) =1475a(2) =6110a(3) =25413a(4) =106848a(5) =454332a(6) =1933924a(7) =8248373a(8) =35227773a(9) =150417081a(10) =642360601a(11) =2744199183a(12) =11723677708a(13) =50083292461a(14) =213960360261a(15) =914078793470

External references