Expansion of e.g.f.: exp(sinh(x)/cos(x)).

Terms

a(0) =1a(1) =1a(2) =1a(3) =5a(4) =17a(5) =77a(6) =457a(7) =2641a(8) =19777a(9) =149529a(10) =1305489a(11) =12183613a(12) =122670033a(13) =1342074021a(14) =15462740633a(15) =192192501897