OFFSET
1,1
REFERENCES
R. Osborn, Tables of All Primitive Roots of Odd Primes Less Than 1000, Univ. Texas Press, 1961.
LINKS
Eric Weisstein's World of Mathematics, Primitive Root.
EXAMPLE
For n=6, p_6=13, the primitive roots are 2,6,7,11, with largest gap 11-7=4. For n=5, p_5=11, the primitive roots are 2,6,7,8, with largest gap 2-8=5 (mod 11).
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Franklin T. Adams-Watters, Jan 19 2006
STATUS
approved