-35219691264domain: ZAppears in sequencesExpansion of e.g.f. exp(arcsin(tanh(x))).at n=17A012123sinh(arcsin(tanh(x)))=x-4/5!*x^5+80/7!*x^7-2224/9!*x^9+88960/11!*x^11...at n=8A012127