
Sequence Divisibility
Problem
Prove that every term in the infinite sequence 18, 108, 1008, 10008, 100008, ... , is divisible by 18.
Problem ID: 75 (Apr 2002) Difficulty: 3 Star

Prove that every term in the infinite sequence 18, 108, 1008, 10008, 100008, ... , is divisible by 18.