Expansion of e.g.f.: tan(log(1+x))*log(1+x).

Terms

a(0) =0a(1) =0a(2) =2a(3) =-6a(4) =30a(5) =-180a(6) =1324a(7) =-11424a(8) =113376a(9) =-1271232a(10) =15889280a(11) =-218989760a(12) =3298513600a(13) =-53897151360a(14) =949389619840