370128domain: NAppears in sequencesExpansion of e.g.f. tan(arcsin(arcsin(x))).at n=4A012065Expansion of e.g.f.: exp(arctanh(arcsin(x)))=1+x+1/2!*x^2+4/3!*x^3+13/4!*x^4+84/5!*x^5...at n=9A012258Second elementary symmetric function of the first n terms of (1,2,3,5,8,...).at n=11A203245