640356domain: NAppears in sequencesTriangle read by rows: t(n,m) = Sum_{i=0..n} (-1)^(m-i)*Eulerian1(n-i+1, m-i) *Stirling2(n+i+1, i+1), where Eulerian1 are the Eulerian numbers of the first kind (A173018).at n=26A156364Fourth diagonal sequence of the Sheffer triangle A094816 (special Charlier).at n=15A290313