[seqfan] Re: defn of A179920 primes with only one embedded prime

zak seidov zakseidov at yahoo.com
Tue Aug 3 21:55:20 CEST 2010


Me too think that 
these are just duplicates
(the common thing when submitting bunch of sequences ;))

Zak

--- On Tue, 8/3/10, Richard Mathar <mathar at strw.leidenuniv.nl> wrote:

> From: Richard Mathar <mathar at strw.leidenuniv.nl>
> Subject: [seqfan]  defn of A179920 primes with only one embedded prime
> To: seqfan at seqfan.eu
> Date: Tuesday, August 3, 2010, 3:44 PM
> 
> What is the essence of the difference between these two:
> http://oeis.org/classic/?q=id:A179920|id:A033274
> 2,3,5,7,11,19,41,61,89,101,109,149,181,401,409,449,491,499,601,691,809,881,991,1009,1049,1069,1481,1609,1669,1699,1801,4001,4049,4481,4649,4801,4909,4969,6091,6469,6481,6869,6949,8009,8069,8081,8609,8669,8681,
> 
> 2,3,5,7,11,19,41,61,89,101,109,149,181,401,409,449,491,499,601,691,809,881,991,1009,1049,1069,1481,1609,1669,1699,1801,4001,4049,4481,4649,4801,4909,4969,6091,6469,6481,6869,6949,8009,8069,8081,8609,8669,8681,
> 
> Because A179920 contains a cross-reference to A033274, this
> does not seem
> to be just another duplicate, but I cannot figure out from
> the definitions
> at which place the two sequences would differ.
> 
> RJM
> 
> 
> _______________________________________________
> 
> Seqfan Mailing list - http://list.seqfan.eu/
> 


      




More information about the SeqFan mailing list