[seqfan] Re: Mathematica code in A080777

[Neil Sloane]

I remember discussing this with Russ many years ago - the fact that in
English text, commas should always be followed by spaces, except in
computer programs.  I have a vague memory that we agreed to make an
exception for computer text. Maybe Russ remembers - I will forward this
discussion to him.

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 Sun, Jun 13, 2021 at 1:44 PM M. F. Hasler <oeis at hasler.fr> wrote:

> On Sun, Jun 13, 2021, 13:14 Hans Havermann <gladhobo at bell.net> wrote:
>
> > https://oeis.org/A080777
>
>
> Kudos for putting a clickable link that saves painful copy paste, app
> switching, Google search and other frustration, esp. for people trying to
> follow with smartphones.
>
> correction of IntegerName[n,"Words"] which previously had provided
> > incorrect power names for numbers >= 10^102 (adding a spurious "s"
> > pluralization). While not at play in A080777, ...
> >
>
> These sequences are some (RECORD-like, maybe "ORDINAL"?) transform of the
> underlying sequence
> "a(n) = number of letters in the English name for n"
> which is not cited /referenced in *any* of this family of inter-linked
> sequences which only xref to each other among themselves.
> All the problems you discuss here belong to that sequence (I think it's
> oeis.org/A005589 <http://oeis.org/>) and not to its various derivatives.
> These derivatives should not redo the same job using elementary mathematica
> functions to convert numbers to English and then count letters, but rely on
> that oeis function which should provide an  efficient  implementation
> where it
> belongs.
> It should use A005589 <http://oeis.org/> even if one has a more
> intelligent, non-brute force approach, which seems to be the case here,
> looking at the second half of your "illustration of growth" a-file.
>
> -Maximilian
>
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