Using the numbers 2 22 times in a sequence starting with 1
Source: 1993 AMC 8 Problem 22
June 28, 2011
AMC
Problem Statement
Pat Peano has plenty of 0's, 1's, 3's, 4's, 5's, 6's, 7's, 8's and 9's, but he has only twenty-two 2's. How far can he number the pages of his scrapbook with these digits?