[seqfan] Re: Alphabetical digits

Jon Awbrey jawbrey at att.net
Sat Mar 14 04:46:51 CET 2009


bantu = ban 2 ???

ja

franktaw at netscape.net wrote:
> I don't fully understand A072809: Abntu sequence (Bantu alphabetized): 
> numbers whose digits are in alphabetical order excluding twos.
> 
> First, why the exclusion of twos?  This seems completely arbitrary.

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