26943840domain: NAppears in sequencesarcsinh(arctan(x)*log(x+1)) = 2/2!*x^2 - 3/3!*x^3 - 10/5!*x^5 + 88/6!*x^6 - ...at n=10A012402Expansion of e.g.f.: exp(x^2/(1-x)).at n=10A052845Least Niven number for all bases from 1 to n but not for base n+1.at n=33A225427Expansion of e.g.f. exp(x^2/(1+x)).at n=10A293120