{ "authors": [ "SuperPaintman" ], "contributors": [ "Stargator", "kytrinyx" ], "files": { "solution": [ "lib/difference_of_squares.dart" ], "test": [ "test/difference_of_squares_test.dart" ], "example": [ ".meta/lib/example.dart" ] }, "blurb": "Find the difference between the square of the sum and the sum of the squares of the first N natural numbers.", "source": "Problem 6 at Project Euler", "source_url": "https://projecteuler.net/problem=6" }