[seqfan] Re: New sequence
Bob Selcoe
rselcoe at entouchonline.net
Wed Apr 5 17:35:20 CEST 2017
Hi Claudio,
To clarify, 28 is in the sequence because only 5+23 and 11+17 = 28, and 28 +
{5,11,17,23} are not prime?
Cheers,
Bob Selcoe
--------------------------------------------------
From: "Claudio Meller" <claudiomeller at gmail.com>
Sent: Wednesday, April 05, 2017 10:27 AM
To: "Sequence Fanatics Discussion list" <seqfan at list.seqfan.eu>
Subject: [seqfan] New sequence
> Hi, Goldbach's cojecture states :
> Every even <https://en.wikipedia.org/wiki/Even_and_odd_numbers> integer
> <https://en.wikipedia.org/wiki/Integer> greater than 2 can be expressed as
> the sum of two primes <https://en.wikipedia.org/wiki/Prime_number>.
>
> So : E = p1 + p2
>
> The question is, which even number plus p1 or p2 is not a prime number?
> For example
> 6 = 3+3 but 6+3 is not a prime number
> The sequence begins : (4?), 6, 28, 38, 52, 62, 68, 74, etc.
>
> Is this sequence of interest?
> Best>
> --
> Claudio Meller
> http://grageasdefarmacia.blogspot.com
> http://todoanagramas.blogspot.com/
> http://simplementenumeros.blogspot.com/
>
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> Seqfan Mailing list - http://list.seqfan.eu/
>
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