perplexus.info :: Sequences : 1248 must be included

1248 must be included (Posted on 2016-09-06)

There are three infinite arithmetic progressions.
Given that each of the numbers 1,2,3,4,5,6,7,8 occurs at least in one of these progressions, show that the number 1248 must occur at least in one of them.

See The Solution Submitted by Ady TZIDON

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Subject	Author	Date
re: Analytical solution - kudos	Ady TZIDON	2016-09-07 01:26:28
Analytical solution	Steve Herman	2016-09-06 10:54:23
Brute force (computer solution)	Charlie	2016-09-06 10:19:42

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