[seqfan] Re: Related to "On some constellations of primes"

Hans Havermann gladhobo at teksavvy.com
Tue Oct 9 17:27:32 CEST 2012


Claudio Meller:

> a(n) is the smallest prime  of 2 consecutive primes a(n)=q_1(n),  
> q_2(n)
> such that between (1/2)*q_1(n)  and (1/2)q_2(n),  there exists  
> exactly n
> primes
>
> 3,113,1637,2971,44293,305663,1133071,370261,1357201,46006769

One may prepend a(0)=2, the sequence being the prime corresponding to  
the position in A217564 of the first appearance of n.



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