perplexus.info :: Numbers : Four integers

Four integers (Posted on 2016-12-04)

Find four distinct positive integers such that:
a. Each of them is below 500.
b. Multiplying any two of them and then incrementing the product by 1
produces a square number.

No Solution Yet Submitted by Ady TZIDON

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Subject	Author	Date
re(4): Master of the obvious - beg to differ	Steve Herman	2016-12-14 08:25:43
re: extending the limit to 1700 (spoiler)	Ady TZIDON	2016-12-13 19:50:53
re(3): Master of the obvious - beg to differ	Ady TZIDON	2016-12-13 19:49:34
re(2): Master of the obvious	Steve Herman	2016-12-12 19:50:45
re: Master of the obvious	Ady TZIDON	2016-12-12 18:48:11
Master of the obvious	Steve Herman	2016-12-04 12:03:45
extending the limit to 1700 (spoiler)	Charlie	2016-12-04 11:05:42
computer solution (spoiler)	Charlie	2016-12-04 11:01:08

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