[seqfan] Re: similarity in (avoided) upper-twin prime sequences A025584 A156828 A175073

Charles Greathouse charles.greathouse at case.edu
Tue Jan 26 22:56:27 CET 2010


The first difference* is A156828(349) = 2999, while A175073(348) =
3011.  After that point they're seldom the same.

* Not counting A156828(2) = 7/A175073(1) = 3, of course.

Charles Greathouse
Analyst/Programmer
Case Western Reserve University

On Tue, Jan 26, 2010 at 3:26 PM, Richard Mathar
<mathar at strw.leidenuniv.nl> wrote:
>
> What is the common ground for these three:
>
> http://research.att.com/~njas/sequences/?q=id:A175073|id:A156828
> 3,11,17,23,29,37,41,47,53,59,67,71,79,83,89,97,101,107,113,127,131,137,149,157,163,167,173,179,191,197,211,223,227,233,239,251,257,263,269,277,281,293,307,
> 2,7,11,17,23,29,37,41,47,53,59,67,71,79,83,89,97,101,107,113,127,131,137,149,157,163,167,173,179,191,197,211,223,227,233,239,251,257,263,269,277,281,293,307,311,317,331,337,347,353,359,367,373,379,383,389,
>
> http://research.att.com/~njas/sequences/?q=id:A175073|id:A025584
> 3,11,17,23,29,37,41,47,53,59,67,71,79,83,89,97,101,107,113,127,131,137,149,157,163,167,173,179,191,197,211,223,227,233,239,251,257,263,269,277,281,293,307,
> 2,3,11,17,23,29,37,41,47,53,59,67,71,79,83,89,97,101,107,113,127,131,137,149,157,163,167,173,179,191,197,211,223,227,233,239,251,257,263,269,277,281,293,307,311,317,331,337,347,353,359,367,373,379,383,389,397,401,
>
>
>
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>
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>




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