A polynomial coefficient sequence:p(x,n,m)=(1 + Eulerian[n+1, m]*x)^n.

A176161

A polynomial coefficient sequence:p(x,n,m)=(1 + Eulerian[n+1, m]*x)^n.

Terms

    a(0) =1a(1) =2a(2) =2a(3) =4a(4) =25a(5) =4a(6) =8a(7) =1728a(8) =1728a(9) =8a(10) =16a(11) =531441a(12) =20151121a(13) =531441a(14) =16a(15) =32a(16) =656356768a(19) =656356768a(20) =32a(21) =64

External references