OFFSET
1,2
MATHEMATICA
Prepend[Select[Range[2, 123], Not[IntegerQ[PrimitiveRoot[#]]] &], 0] (* Alonso del Arte, Dec 12 2011 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Vladislav-Stepan Malakhovsky & Juri-Stepan Gerasimov, Jul 20 2010
EXTENSIONS
Corrected by R. J. Mathar, Oct 15 2011
Corrected by Arkadiusz Wesolowski, Sep 06 2012
STATUS
approved