Mystery sequence in Dec. MAA Focus Magazine

[Paul D. Hanna]

Seqfans,
> Jon Awbrey wrote: 
> what is the geometric relationship between the places of 20 and 202?
> ja
 
Anticipating Jon's line of reasoning, 
 * what are the sums of the numbers on opposite 2 faces? 
    (sequence of 10 terms) 
 * what are the sums of the numbers on the 5 faces at each vertex? 
    (sequence of 12 terms) 
Perhaps these sums would give a clue ... 
    Paul 
 
> N. J. A. Sloane wrote:
...
> > 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.