839916domain: NAppears in sequencesa(n) = n^3*(n^5 + 1)/2.at n=6A168180Number of (n+1) X 4 0..2 arrays with column and row pair sums b(i,j)=a(i,j)+a(i,j-1) and c(i,j)=a(i,j)+a(i-1,j) nondecreasing in column and row directions, respectively.at n=7A203723