Mystery sequence in Dec. MAA Focus Magazine

[Jon Awbrey]

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what is the geometric relationship between the places of 20 and 202?

ja

N. J. A. Sloane wrote:
> 
> Dear Seqfans,  Here is an opportunity for some real publicity
> for the OEIS, if someone can explain a certain set of 20 numbers
> on a three-hundred year-old gold icosahedral box.
> 
> Tony Noe noticed them in the M.A.A. Focus magazine, and wrote saying:
> 
> > On page 13 of this month's issue, there's a sequence that appears on the
> > faces of a gold icosahedron.  The numbers are
> > 11,20,21,31,41,51,61,71,81,91,101,201,301,401,501,601,701,801,901,202.

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