[seqfan] Re: The Jacob's Ladder sequence: nice but not new

[Neil Sloane]

Antti,  If you want to submit a ludic version of the Jacobs Ladder sequnce,
so ahead. It will have the same general shape.

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 Wed, Feb 21, 2018 at 11:05 AM, Antti Karttunen <antti.karttunen at gmail.com
> wrote:

> Regarding A065358, The Jacob's Ladder sequence.
> (ref: http://list.seqfan.eu/pipermail/seqfan/2018-February/018334.html )
>
> I wonder whether the random walk would look substantially different, if
> one used
> https://oeis.org/A192512 (Number of ludic numbers (A003309) not
> greater than n) instead of A000720 ?
> (maybe computing it as a(n) = Sum_{k=1..n} (-1)^(a(n)-1) so that the
> ladder would go towards the same direction as A065358)
>
> One could call that "Jacob's Ladder sequence computed for Ludic
> numbers". Or "Ludic Ladder" for short?
>
> For a lots of precomputed Ludic numbers, see Donovan Johnson's
> zip-file [cached copy] linked at https://oeis.org/A255420
>
>
> Best regards,
>
> Antti
>
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