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The SPA numbers (Posted on 2019-08-04)

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 = (m^k + m^j) / 2.

Find all SPA numbers.

No Solution Yet Submitted by Danish Ahmed Khan

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Comments: ( Back to comment list | You must be logged in to post comments.)

re: more cases

| Comment 3 of 5 |

(In reply to more cases by Steven Lord)

Your 4) is wrong.

The correct ״list of all SPA numbers”

is: all integers.

Please see my modified post.

Edited on August 4, 2019, 4:19 pm

Posted by Ady TZIDON on 2019-08-04 16:09:40

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