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 A113771 Largest gap between primitive roots of n-th prime. 0
 2, 3, 4, 5, 5, 4, 6, 7, 7, 5, 10, 8, 12, 12, 7, 4, 6, 8, 8, 9, 10, 21, 8, 6, 15, 8, 14, 7, 12, 7, 12, 10, 7, 12, 5, 15, 10, 11, 7, 7, 7, 13, 21, 11, 8, 14, 15, 12, 8, 13, 7, 11, 17, 9, 7, 8, 9, 15, 13, 16, 10, 10, 12, 19, 20, 6, 22, 20, 9, 12, 7, 9, 15, 9, 18, 9, 9, 19, 13, 42, 10, 17, 12, 10 (list; graph; refs; listen; history; text; internal format)
 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 Cf. A060749 (table), A001918 (least). Sequence in context: A101916 A100771 A234470 * A131845 A062186 A085763 Adjacent sequences:  A113768 A113769 A113770 * A113772 A113773 A113774 KEYWORD easy,nonn AUTHOR Franklin T. Adams-Watters, Jan 19 2006 STATUS approved

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Last modified September 21 19:59 EDT 2019. Contains 327282 sequences. (Running on oeis4.)