Expansion of e.g.f.: tanh(x)*exp(sinh(x)).

Terms

a(0) =0a(1) =1a(2) =2a(3) =1a(4) =0a(5) =21a(6) =88a(7) =-27a(8) =-704a(9) =6121a(10) =50464a(11) =-153559a(12) =-2089216a(13) =13064637a(14) =173223040a(15) =-996722035a(16) =-16120801280a(17) =114653539281