-41497943760domain: ZAppears in sequencescos(sin(x)-tan(x))=1-90/6!*x^6-2520/8!*x^8-126630/10!*x^10...at n=8A013355E.g.f.: exp(sinh(x)-tanh(x))=1+3/3!*x^3-15/5!*x^5+90/6!*x^6+273/7!*x^7...at n=16A013490