94064domain: NAppears in sequencesarctanh(arcsin(x)+sin(x))=2*x+16/3!*x^3+778/5!*x^5+94064/7!*x^7...at n=3A012920Number of maximal subsets of {1..n} containing n such that every ordered pair of distinct elements has a different difference.at n=41A325880