3267000domain: NAppears in sequencesNumber of 4Xn 0..1 arrays avoiding 0 0 1 and 0 1 1 horizontally and 0 0 1 and 1 0 1 vertically.at n=16A208143Triangle read by rows: T(n,k) = n^3*k^3*(n+k)^2, n>=0, 0 <= k <= n.at n=26A358294Triangle read by rows: T(n,k) = n^3*k^3*(n+k)^2, n>=1, 1 <= k <= n.at n=19A358295