2025 SSMO Relay Round 4 Problems/Problem 1
Problem
Call a positive integer chuzzed if the sum of the digits in its binary representation is equal to the units digit of its base- representation. Similarly, call a positive integer chopped if its binary representation does not contain two consecutive ones. Find the number of positive integers less than
 representation. Similarly, call a positive integer chopped if its binary representation does not contain two consecutive ones. Find the number of positive integers less than  that are chuzzed and chopped.
 that are chuzzed and chopped.
