11371920domain: NAppears in sequencesTriangle read by rows, T(n,k) = RF(n-k+1, n-k) * S1(n,k) where RF denotes the rising factorial and S1 the Stirling cycle numbers, for n>=0 and 0<=k<=n.at n=40A268436Number of length-6 0..n arrays with every repeated value unequal to the previous repeated value plus one mod n+1.at n=13A269778