[seqfan] Re: 10,17,20,26,29,34,37,40,45,50,52,53,?

Bob Selcoe rselcoe at entouchonline.net
Tue Mar 22 22:51:13 CET 2016


I think it's worth submitting; following Franklin's equation, numbers of the 
form n^2 + k^2, where k > 0 and n > k + 1, the subsequence when k is maximum 
for a given n (i.e., n = k+2) is A005893(n-1), n>=2:  10,20,34,52,74,100... 
which IMHO is a nice relationship.

Cheers,
Bob Selcoe

--------------------------------------------------
From: "Frank Adams-Watters" <franktaw at netscape.net>
Sent: Tuesday, March 22, 2016 3:37 PM
To: <seqfan at list.seqfan.eu>
Subject: [seqfan] Re: 10,17,20,26,29,34,37,40,45,50,52,53,?

> Equivalently, numbers of the form x^2 + y^2, where x > 0 and y > x + 1.
>
> Franklin T. Adams-Watters
>
>
> -----Original Message-----
> From: Zak Seidov <zakseidov at mail.ru>
> To: Sequence Fanatics Discussion list <seqfan at list.seqfan.eu>
> Sent: Tue, Mar 22, 2016 2:08 pm
> Subject: [seqfan] Re: 10,17,20,26,29,34,37,40,45,50,52,53,?
>
> These are just numbers of form (x^2+y^2)/2 with x>y>1.>Вторник, 22 марта 
> 2016, 20:38 +02:00 от Zak Seidov 
> <zakseidov at mail.ru>:>>10,17,20,26,29,34,37,40,45,50,52,53,?>Worth 
> submitting to OEIS?>>>-- >Zak  Seidov>>-->Seqfan Mailing list - 
> http://list.seqfan.eu/--Seqfan Mailing list - http://list.seqfan.eu/
>
> --
> Seqfan Mailing list - http://list.seqfan.eu/
> 



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