7487532domain: NAppears in sequencesExpansion of e.g.f. cos(tan(x)+sin(x)) (even powers only).at n=6A012940Expansion of e.g.f.: exp(tanh(x)+sinh(x))=1+2*x+4/2!*x^2+7/3!*x^3+8/4!*x^4+9/5!*x^5...at n=12A013153