E.g.f.: log(1 - log(1 - x) * exp(x)).

Terms

a(0) =0a(1) =1a(2) =2a(3) =1a(4) =-5a(5) =3a(6) =141a(7) =348a(8) =-1938a(9) =3013a(10) =274327a(11) =1583338a(12) =-4613476a(13) =41135339a(14) =3201505997a(15) =33153080054a(16) =49123558416