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

Terms

a(0) =1a(1) =1a(2) =1a(3) =5a(4) =17a(5) =57a(6) =337a(7) =1661a(8) =9697a(9) =68529a(10) =451809a(11) =3570613a(12) =29324913a(13) =247557481a(14) =2348275633a(15) =22399292077a(16) =229227939521