[seqfan] Re: Smallest number with n representations as sum of two primes

franktaw at netscape.net franktaw at netscape.net
Tue Mar 15 00:45:01 CET 2011


See also A001172, A082917, A109679.

Also, A087746 is an erroneous version of A023036. I will submit the 
change.

Franklin T. Adams-Watters

-----Original Message-----
From: Maximilian Hasler <maximilian.hasler at gmail.com>

http://oeis.org/A023036

On Mon, Mar 14, 2011 at 5:15 PM, Claudio Meller 
<claudiomeller at gmail.com> wrote:
> In Number a Day http://maanumberaday.blogspot.com/2011/03/60.html 
appears
> *
> *
> *60 *is the smallest number with six representations as a sum of two
> primes:
> *60 *= 7 + 53 = 13 + 47 = 17 + 43 = 19 + 41 = 23 + 27 = 29 + 31.
>
> a(n) = smallest number with n representations as sum of two primes
>
> 4,10,22,34,48,60,78,84...
>
> 4 =2+2
> 10= 3+7= 5+5
> 22= 3+19=5+17=11+11
>
> etc
>
>
> --
> Claudio



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