130918656domain: NAppears in sequencesExpansion of log(1+sinh(x)*cosh(x)).at n=11A009358E.g.f.: log(sech(x)+sinh(x))=x-2/2!*x^2+6/3!*x^3-20/4!*x^4+120/5!*x^5...at n=11A013206