46514037440domain: NAppears in sequencesExpansion of e.g.f.: log(1+sinh(x)/cos(x)).at n=13A009361arctanh(sec(x)*sinh(x))=x+6/3!*x^3+140/5!*x^5+8456/7!*x^7...at n=6A012818Expansion of e.g.f. log(sinh(x) + cos(x)).at n=13A013068E.g.f.: (cosh(x) + sin(x)) / (cos(x) - sinh(x)).at n=12A205182