[seqfan] Re: Primes with n prime substrings

[Robert G. Wilson v]

Zak,

    How does this sequence differ from A054260: "Smallest prime that 
contains all of the first n primes as substrings." ?
http://www.research.att.com/~njas/sequences/A054260

Bob.

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From: "zak seidov" <zakseidov at yahoo.com>
Sent: Wednesday, April 07, 2010 8:34 AM
To: "seqfaneu" <seqfan at seqfan.eu>
Subject: [seqfan] Re: Primes with n prime substrings

> But a(4)=523 has no '7' (4th prime) as substring(?)
> Zak
>
>
>
>
> ----- Original Message ----
> From: Charles Greathouse <charles.greathouse at case.edu>
> To: Sequence Fanatics Discussion list <seqfan at list.seqfan.eu>
> Sent: Wed, April 7, 2010 1:59:54 PM
> Subject: [seqfan] Re: Primes with n prime substrings
>
> Why 2,23,523,2357 and not 2,23,523,523?
>
> Charles Greathouse
> Analyst/Programmer
> Case Western Reserve University
>
> On Wed, Apr 7, 2010 at 4:11 AM, zak seidov <zakseidov at yahoo.com> wrote:
>> 2,23,523,2357,112573,511327,1135217,1113251719,11171323519,11113171952329,...
>>
>> a(n) = the smallest prime with at least n first primes as its substrings.
>>
>> Anyone may wish to check/extend/edit/submit this?
>>
>> Zak
>>
>>
>>
>>
>>
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