51160domain: NAppears in sequencescos(arcsinh(x)+arctan(x))=1-4/2!*x^2+40/4!*x^4-1030/6!*x^6+51160/8!*x^8...at n=4A013108Expansion of e.g.f.: exp(arctanh(x)+arcsin(x)).at n=8A013170Numbers k such that the decimal part of k^(1/10) starts with a 'nine digits' anagram.at n=21A034285