perplexus.info :: Numbers : FOUR SQUARES

FOUR SQUARES (Posted on 2013-08-23)

Let n be a non-negative integer.
Find the non-negative integers a, b, c, d such that a²+b²+c²+d²=7*4ⁿ

See The Solution Submitted by Ady TZIDON

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	Subject	Author	Date
	computer-guided solution	Charlie	2013-08-23 22:55:26

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