[seqfan] Re: Request for more terms for A027641 (modulo 36)

[israel at math.ubc.ca]

I sent Gordon the requested file.

Cheers,
Robert

On Mar 12 2019, Gordon Charlton wrote:

>Hi, SeqFans.
>
>I need your assistance.
>
>I am currently working on an album of music made of numerical sequences and
>tree traversals, as an homage to Ada Lovelace. (Inspired by her famous
>quote "the [analytical] engine might compose elaborate and scientific
>pieces of music of any degree of complexity or extent."
>
>The album will be called Notes From The Analytical Engine, and the cover
>art will be a contemporary painting of the countess playing a piano.
>
>So far I have 9 tracks which you can find on my Soundcloud account if you
>are curious.
>
>https://soundcloud.com/beat-frequency/tracks
>
>Intruder Window, traversals of a Collatz tree,
>Hailstone Trajectories, sequence A070165,
>Pisano Bebop, a "cutaway" view of A000045, modulos 5, 8, 20 and 25,
>On the Teeth of Wheels - sequence A002487
>Lazy Cakes, sequences A000124 and A000125
>Between Realms, sequences A048673 and A064216
>Dinosaur Theory, sequences A048673 and A064216
>Kolakoski Contrapuntal, sequence A000002 (*)
>Going Postal, traversals of a permutation tree (*)
>
>(*) These tracks have an accompanying pdf linked on their Soundcloud page
>giving a measure of my extremely limited abilities in programming and
>arithmetic. I am primarily an experimental musician. (See albums by Beat
>Frequency on iTunes or elsewhere. To days these have been primarily
>experimental theremin music, Notes from the Analytical Engine is a whole
>new direction for me.)
>
>There is one more track I want very much to create, based on Bernoulli
>Numbers as that is the algorithm that Ada Lovelace is most strongly
>connected with. So far I have the first 58 seconds in draft form. It is
>provisionally entitled The Ada Shuffle and I have put a copy here to give
>an impression of what the finished piece will sound like.
>
>  
> https://www.dropbox.com/s/77vhvg7diyppccn/the%20ada%20shuffle%20-%2011%3A03%3A2019%2C%2000.45.mp3
>
>(Same link shortened in case email breaks the above link.
>http://tinyurl.com/yygaya74 )
>
>The piece stops abruptly because the OEIS MIDI server only supplies the
>first 200 or so terms for A027641. To complete the piece I need the first
>say 2500 terms (modulo 36) in a text file to give me sufficient to find a
>sensible stopping point for the composition.
>
>I have been busting my brain trying to write the appropriate code for this
>but I am forced to admit it is beyond my skill level. Please can you give
>me a leg-up to help me complete my project. :-)
>
>Gordon Charlton
>
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>
>