Convolution of the (signless) central Lah numbers (A187535) and the central Stirling numbers of the second kind (A007820).

A187662

Convolution of the (signless) central Lah numbers (A187535) and the central Stirling numbers of the second kind (A007820).

Terms

    a(0) =1a(1) =3a(2) =45a(3) =1340a(4) =62133a(5) =3926607a(6) =313159138a(7) =30077004204

External references