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A232927
a(n) is the smallest k such that the first k primes generate the multiplicative group modulo n.
11
1, 2, 1, 3, 2, 3, 1, 2, 1, 4, 1, 2, 4, 3, 2, 3, 1, 5, 3, 4, 3, 6, 1, 3, 1, 3, 1, 5, 2, 3, 3, 2, 2, 4, 1, 2, 4, 5, 2, 5, 2, 4, 4, 3, 3, 6, 2, 2, 3, 3, 1, 3, 2, 5, 3, 2, 1, 6, 1, 2, 3, 3, 2, 4, 1, 3, 3, 8, 4, 6, 3, 3, 4, 4, 2, 4, 2, 5, 1, 3, 1, 6, 2, 2, 3, 4, 2, 5, 2, 3, 5, 3, 4, 6, 3, 2, 3, 5, 1, 4, 2, 5, 6, 2, 1, 4, 2, 4, 5, 5, 2, 6, 4, 4, 4, 5, 5, 7
OFFSET
3,2
LINKS
H. Brown and H. Zassenhaus, Some empirical observations on primitive roots, J. Number Theory 3 (1971) 306-309.
S. R. Finch, Average least nonresidues, December 4, 2013. [Cached copy, with permission of the author]
CROSSREFS
Sequence in context: A287730 A260452 A005679 * A350651 A275832 A237839
KEYWORD
nonn
AUTHOR
Steven Finch, Dec 02 2013
STATUS
approved