1099999domain: NAppears in sequencesa(n) is that n-digit number m which minimizes m/(sum of digits of m); in case of a tie pick the smallest.at n=6A066007Number of palindromes of length <= n.at n=10A070199phi(n) plus the n-th prime gives a cube.at n=22A114085a(n) = 11*10^n - 1.at n=5A198700