[seqfan] Re: a(n) = p(3n) - p(2n) - p(n)
Neil Fernandez
primeness at borve.org
Thu Jul 18 21:00:28 CEST 2013
Hi,
I get 2, 31, 911, 929, 941, 997, 1013, 4273, 4289 for this sequence, but
this is not the same as the sequence defined in the Subject: line,.
If the word "cube" is replaced with "5th power", we get:
2, 82171, 326189,
Neil
In message <1374168640.141283.12878.52550 at saddam4.rambler.ru>,
=?koi8-r?B?wNLJyiDHxdLB08nNz9c=?= <2stepan at rambler.ru> writes
>Primes p(n) such that p(3n) - p(2n) - p(n) is a cube; 2, 3, 31, 2281,...
>
>What is the next one ?
--
Neil Fernandez
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