L.g.f.: log( Sum_{n>=0} Product_{k=1..n} ((1+x)^k - 1) ) = Sum_{n>=1} a(n)*x^n/n.
A207434
L.g.f.: log( Sum_{n>=0} Product_{k=1..n} ((1+x)^k - 1) ) = Sum_{n>=1} a(n)*x^n/n.
Terms
- a(0) =1a(1) =3a(2) =16a(3) =103a(4) =796a(5) =7104a(6) =71807a(7) =810239a(8) =10095145a(9) =137686648a(10) =2040943180a(11) =32679948256a(12) =562281127266
External references
- oeis: A207434