19070251200domain: NAppears in sequencescosh(log(x+1)-arcsinh(x))=1+3/4!*x^4-30/5!*x^5+180/6!*x^6-945/7!*x^7...at n=14A013279Expansion of e.g.f. Product_{k>0} (1+k*x^k)^(1/k).at n=13A294464