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

Terms

a(0) =0a(1) =1a(2) =2a(3) =6a(4) =16a(5) =72a(6) =288a(7) =1848a(8) =9920a(9) =81088a(10) =541184a(11) =5318016a(12) =42274816a(13) =483162240a(14) =4449451776a(15) =57865303296a(16) =605255720960