[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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