46276domain: NAppears in sequencesNumber of atoms in cluster of n layers around C_60.at n=23A063498Numbers that are the sum of seven fourth powers in nine or more ways.at n=31A345575Numbers that are the sum of seven fourth powers in exactly nine ways.at n=26A345831a(n) = Sum_{k=1..n} k! * floor(n/k).at n=7A355888