44339040domain: NAppears in sequencesSecond-order Eulerian numbers <<n+1,n-1>>.at n=8A002538Triangle read by rows: row n gives coefficients of expansion of Product_{k=2..n} ((n+1-k)*x+k), starting with lowest power.at n=47A220884Row reversed version of triangle A201637 (second-order Eulerian triangle).at n=57A288874