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The SPA numbers (Posted on 2019-08-04) Difficulty: 3 of 5
Let m be an integer . Let us say that m is a SPA number if there are positive whole numbers k and j such that

m = (mk + mj) / 2.

Find all SPA numbers.

No Solution Yet Submitted by Danish Ahmed Khan    
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  Subject Author Date
re(3): more casesAdy TZIDON2019-08-04 17:51:51
re(2): more casesSteven Lord2019-08-04 16:46:34
Some Thoughtsre: more casesAdy TZIDON2019-08-04 16:09:40
more casesSteven Lord2019-08-04 11:29:56
SolutionAll inAdy TZIDON2019-08-04 08:32:29
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