[seqfan] Re: difference of Fibonacci's

Neil Sloane njasloane at gmail.com
Thu Aug 10 14:09:19 CEST 2017


If Don's sequence is really missing from the OEIS,
I hope someone will add it!
Best regards
Neil

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



On Thu, Aug 10, 2017 at 5:06 AM, Don Reble <djr at nk.ca> wrote:
> Seqfans:
>
>    While pondering a math-fun puzzle from James Propp, I also
>    considered:
>
> %S A......
> 1,2,3,4,5,6,7,8,9,10,11,12,13,14,16,18,19,20,21,22,23,24,26,29,32,33,
> %T A......
> 34,35,37,42,47,50,52,53,54,55,56,57,58,60,63,68,76,84,87,88,89,90,92,
> %U A......
> 97,110,123,131,136,139,141,142,143,144,145,146,147,149,152,157,165
>           Positive numbers that are a difference of two Fibonacci numbers.
>           9 is here because fib(6) - fib(-2) = 8 - (-1) = 9.
>
>    Is it missing from the OEIS, or did I just miscalculate?
>
>
>
>    My math puzzle: prove that the two-way additive sequence
>    ... -6 10 4 14 18 32 ...  has no Fibonacci numbers.
>
> --
> Don Reble  djr at nk.ca
>
>
> --
> Seqfan Mailing list - http://list.seqfan.eu/



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