136444domain: NAppears in sequencesa(n) = n * (6*n^2 + 6*n + 1).at n=27A094421Number of (n+1) X 6 0..1 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=16A204648