[seqfan] Re: Primes and prime sums
Richard Guy
rkg at cpsc.ucalgary.ca
Mon Jan 14 23:49:56 CET 2013
Will any numbers 6n+4 be used ?? R.
On Mon, 14 Jan 2013, Hans Havermann wrote:
> Eric Angelini:
>
>> I think the sequence starts:
>> 2,0,3,8,5,6,7,12,11,18,13,26,17,...
>
> …13,24*,17,…
>
> All even numbers (except 4) will get used. Soon enough they will always be smaller than their adjacent primes. Not as obvious is that they will follow two distinct trajectories. Why?
>
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