MathDB
Know your squares?

Source:

February 24, 2006
geometry3D geometryMATHCOUNTSfloor functionAMCAIME

Problem Statement

The increasing sequence 2,3,5,6,7,10,11,…2,3,5,6,7,10,11,\ldots consists of all positive integers that are neither the square nor the cube of a positive integer. Find the 500th term of this sequence.
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