{ "blurb": "Find the difference between the square of the sum and the sum of the squares of the first N natural numbers.", "authors": [ "canweriotnow" ], "contributors": [ "Scientifica96", "vermiculus", "yurrriq" ], "files": { "solution": [ "difference-of-squares.el" ], "test": [ "difference-of-squares-test.el" ], "example": [ ".meta/example.el" ] }, "source": "Problem 6 at Project Euler", "source_url": "http://projecteuler.net/problem=6" }