TOT 084 1985 Spring Train J5 123456 exists in sequence ? (sum of digits)
Source:
August 24, 2019
Sequencealgebracombinatoricssum of digitsnumber theory
Problem Statement
Every member of a given sequence, beginning with the second , is equal to the sum of the preceding one and the sum of its digits . The first member equals . Is there, among the members of this sequence, a number equal to ?(S. Fomin , Leningrad)