E.g.f.: Sum_{n>=0} Product_{k=1..n} -log(1-x^k)/(1-x^k).

A203851

E.g.f.: Sum_{n>=0} Product_{k=1..n} -log(1-x^k)/(1-x^k).

Terms

    a(0) =1a(1) =1a(2) =3a(3) =17a(4) =86a(5) =674a(6) =5604a(7) =55236a(8) =579648a(9) =7302816a(10) =95738400a(11) =1391181120a(12) =21792119040a(13) =366215610240

External references