2010 different ways as sum of powers of 2
Source: Germany Federal - Bundeswettbewerb Mathematik 2010, round 1, p4
April 10, 2020
power of 2Sum of powerscombinatorics
Problem Statement
Find all numbers that can be expressed in exactly different ways as the sum of powers of two with non-negative exponents, each power appearing as a summand at most three times. A sum can also be made from just one summand.