[seqfan] Re: 1862

[Neil Sloane]

That sequence is now A328075.  Thank you Éric!


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 Mon, Oct 7, 2019 at 5:27 AM Éric Angelini <eric.angelini at skynet.be>
wrote:

> 1862.
> Pick any two digits: their absolute
> difference is unique (for 1862). Indeed
> the set of all 2-digit abs diffs of 1862
> is 7,5,1,2,6,4, with no repeated element.
>
> The same with 10 or 1037
> (10 --> 1 and 1037 --> 1,3,2,4,7,6).
>
> With a(1) = 10, the seq has precisely...
> ... 1862 terms. Which is the header
> of this msg. (Yes, we love selfref')
> Best,
> É.
> (many thanks to Jean-Marc Falcoz, in copy)
>
>
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