perplexus.info :: Just Math : Infinite Illation Decision 2

Infinite Illation Decision 2 (Posted on 2016-01-15)

Does there exist an infinite number of values of a positive integers N such that N! is divisible by N² + 1?

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See The Solution Submitted by K Sengupta

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My solution

| Comment 2 of 7 |

Sorry, the official solution is wrong.

The sequence can be found on A0120416 of On-line Encyclopedia of Integer Sequences in this location:

https://oeis.org/A120416

Edited on May 20, 2023, 2:17 am

Posted by K Sengupta on 2023-05-20 01:47:29

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