[seqfan] Re: A268539: Primes in

[Zak Seidov]

 Thx!
Worth commenting in A268539?


>Четверг,  3 марта 2016, 3:56 +02:00 от israel at math.ubc.ca:
>
>On Mar 2 2016, Zak Seidov wrote:
>
>>  https://oeis.org/A268539
>>
>>Are 2,3,7,17 the only primes in A268539?
>>
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>>
>
>Yes.  Each term of A268539 is of the form (x^2-25)/48 = (x-5)(x+5)/48 where 
>x is an integer.  So if x > 53, it must factor...
>
>Cheers,
>Robert
>
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