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

Terms

a(0) =0a(1) =1a(2) =2a(3) =2a(4) =0a(5) =-8a(6) =-32a(7) =184a(8) =1984a(9) =-5568a(10) =-118016a(11) =231552a(12) =8529920a(13) =-11751296a(14) =-754714880a(15) =596164352a(16) =79868821504a(17) =-4342886400