[seqfan] Re: Reply from superseeker 2647, 6067, 7649, 7687, 10639, 21383, 61507, 65899, 86813, 89963

[zak seidov]

To Richard & Alexander et al,

No it is not a  puzzle "invented" by me:

I found it to-day in my archive with no "source" code,
tried to ask superseeker and failed.

My archive consists of some tens thousand (mainly Mmca)
codes and I keep desperatly browsing it...

Zak 

--- On Sat, 8/14/10, Richard Mathar <mathar at strw.leidenuniv.nl> wrote:

> From: Richard Mathar <mathar at strw.leidenuniv.nl>
> Subject: [seqfan] Re: Reply from superseeker 2647, 6067, 7649, 7687, 10639, 21383, 61507, 65899, 86813, 89963
> To: seqfan at seqfan.eu
> Date: Saturday, August 14, 2010, 11:03 AM
> 
> On the puzzle invented in http://list.seqfan.eu/pipermail/seqfan/2010-August/005620.html
> :
> 
> It seems these are primes that appear both as odd cyclic
> numbers and factors
> in a single line in http://www.numericana.com/data/crump.htm
> (Carmichael Multiples of odd cyclic numbers). At least the
> four first of these
> primes match that pattern.
> 
> RJM
> 
> 
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