MathDB

Set / Equal Sums

Source:

August 11, 2019

Setssums

Problem Statement

Let

E

denote the set of all natural numbers

n

such that

3 < n < 100

and the set

\{ 1, 2, 3, \ldots , n\}

can be partitioned in to

3

subsets with equal sums. Find the number of elements of

E