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

Terms

a(0) =0a(1) =1a(2) =1a(3) =-3a(4) =-2a(5) =45a(6) =-74a(7) =-1113a(8) =7288a(9) =27465a(10) =-647894a(11) =1393227a(12) =59935228a(13) =-604628115a(14) =-4418438114a(15) =143982353967a(16) =-381525392432