299999999999domain: NAppears in sequencesSmallest number whose digits sum to n-th prime.at n=25A046864a(n) is the smallest composite number with the sum of digits = the n-th prime number.at n=25A073868Greatest number k such that sum of the n-th powers of the digits of k is greater than k.at n=9A174944a(n) = 3*10^n - 1.at n=11A198698