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A096393 Least primitive root of n-th Mersenne prime. 1
2, 3, 3, 3, 17, 3, 3, 7, 37, 3, 3, 43, 3, 5, 5, 3, 3, 23, 3, 7 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
S. S. Wagstaff, Jr., The Cunningham Project
EXAMPLE
a(5)=17 because 17 is the least primitive root of the 5th Mersenne prime, 8191.
CROSSREFS
Sequence in context: A210483 A022296 A013069 * A010120 A012887 A177876
KEYWORD
hard,more,nonn
AUTHOR
Ken Takusagawa, Aug 05 2004
EXTENSIONS
a(16), a(18)-a(20) from Max Alekseyev, Feb 07 2024
STATUS
approved

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Last modified March 29 11:14 EDT 2024. Contains 371278 sequences. (Running on oeis4.)