Denominator of sum{k=1 to n} 1/S(n,k), where S(n,k) is a Stirling number of the second kind.

A112291

Denominator of sum{k=1 to n} 1/S(n,k), where S(n,k) is a Stirling number of the second kind.

Terms

    a(0) =1a(1) =1a(2) =3a(3) =42a(4) =150a(5) =36270a(6) =270900a(7) =9440379900

External references