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

Terms

a(0) =0a(1) =1a(2) =2a(3) =5a(4) =16a(5) =61a(6) =248a(7) =1217a(8) =6336a(9) =38137a(10) =242464a(11) =1753245a(12) =13219328a(13) =112141173a(14) =982066816a(15) =9583252569a(16) =95757641728