[Haskell-cafe] Near Semi Ring problem

Henry Laxen nadine.and.henry at pobox.com
Sat Apr 23 19:16:25 UTC 2022

Dear Group,

Many years ago I read a fascinating article which I can't seem to find
anymore.  It was about writing down (in english) the numbers from one to
a billion? and being able to retrieve the nth letter.  ie:


I remember it used near semi rings and automatic differentiation, but no
matter how I use those words to search (both google and duckduck)  I
can't find it.  Do any of you have a pointer.  I believe the code was
written in haskell too.

Best wishes,
Henry Laxen

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