68309049600domain: NAppears in sequencesa(n) = n^1*(n+1)^2*(n+2)^3*(n+3)^4*(n+4)^5/(1!*2!*3!*4!*5!).at n=7A120408Number of (n+2)X9 binary arrays avoiding patterns 001 and 011 in rows and columns.at n=11A202099a(n) = Product_{i=floor((n + 1)/2)..n-1} binomial(n-1, i).at n=12A208653