32812992265domain: NAppears in sequencesExpansion of e.g.f.: log(1+sinh(tan(x))).at n=13A009348arctan(sin(tanh(x)))=x-5/3!*x^3+121/5!*x^5-7013/7!*x^7+752785/9!*x^9...at n=6A012046