NJAS receives Robbins Prize

[T. D. Noe]

2,3,7,11.

These primes cannot be represented as a sum of their (distinct) 
primitive roots (requiring the root to be positive).  Are there any 
others?

I have checked up to p = 167.  Note that it is not necessary to check 
primes = 1 (mod 4), since for such primes, if k is a primitive root, so 
is p - k.  It seems very unlikely that there are any others, but I 
don't see  how to prove it.

Assuming that this list is complete, should this be in the OEIS?

Franklin T. Adams-Watters


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