59958domain: NAppears in sequencesa(n) is the smallest number m such that the sum of the digits of n+m is n.at n=40A130692a(n) = A131668(n) - (2*n+1).at n=20A131766a(n) = 6*(10^n-7).at n=3A177098Distinct terms in A386369.at n=15A385254