[seqfan] Re: Two make a square [ Was: Two make a palindrome ]

Neil Sloane njasloane at gmail.com
Sun Nov 17 20:28:57 CET 2013


I didn't want Andrew W.'s "squares" versions to be forgotten,
so they are now A231880 and A231881. They need more terms, b-files,
theorems.


On Tue, Nov 12, 2013 at 6:57 AM, Andrew Weimholt
<andrew.weimholt at gmail.com>wrote:

> I thought I'd try the same thing with squares...
>
> Here's what I computed by hand (which means it may contain errors)...
>
> 0, 10, 24, 3, 6, 1, 8, 14, 4, 9, 16, 12, 15, 21, 25, 2, 5, 26, 11, 52, 20,
> 41,
> 38, 44, 68, 49, 18, 28, 81, 34, 29, 7, 48, 19, 27, 13, 36, 31,
>
> If we start with 1 instead of 0...
>
> 1, 6, 3, 16, 9, 4, 14, 8, 29, 5, 2, 11, 26, 10,
>
> ...next term depends on whether we allow 0, or restrict terms to positive
> integers (in which case it's 24).
>
> I'm guessing it will be a little harder to prove whether or not these
> contain every positive integer.
>
> Andrew
>
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>
> Seqfan Mailing list - http://list.seqfan.eu/
>



-- 
Dear Friends, I have now retired from AT&T. New coordinates:

Neil J. A. Sloane, President, OEIS Foundation
11 South Adelaide Avenue, Highland Park, NJ 08904, USA.
Also Visiting Scientist, Math. Dept., Rutgers University, Piscataway, NJ.
Phone: 732 828 6098; home page: http://NeilSloane.com
Email: njasloane at gmail.com



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