Logarithmic derivative of A112938 such that a(n)=(1/4)*A112938(n+1) for n>0, where A112938 equals the INVERT transform (with offset) of quadruple factorials A008545.

A112939

Logarithmic derivative of A112938 such that a(n)=(1/4)*A112938(n+1) for n>0, where A112938 equals the INVERT transform (with offset) of quadruple factorials A008545.

Terms

    a(0) =1a(1) =7a(2) =73a(3) =1039a(4) =18961a(5) =423703a(6) =11208793a(7) =342414367a(8) =11855713825a(9) =458600785447

External references