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 A001123 Primes with 3 as smallest primitive root. (Formerly M4356 N1825) 11
 7, 17, 31, 43, 79, 89, 113, 127, 137, 199, 223, 233, 257, 281, 283, 331, 353, 401, 449, 463, 487, 521, 569, 571, 593, 607, 617, 631, 641, 691, 739, 751, 809, 811, 823, 857, 881, 929, 953, 977, 1013, 1039, 1049, 1063, 1087, 1097, 1193, 1217 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 REFERENCES M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards Applied Math. Series 55, 1964 (and various reprintings), p. 864. M. Kraitchik, Recherches sur la ThÃ©orie des Nombres. Gauthiers-Villars, Paris, Vol. 1, 1924, Vol. 2, 1929, see Vol. 1, p. 57. N. J. A. Sloane, A Handbook of Integer Sequences, Academic Press, 1973 (includes this sequence). N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). LINKS T. D. Noe, Table of n, a(n) for n = 1..1000 M. Abramowitz and I. A. Stegun, eds., Handbook of Mathematical Functions, National Bureau of Standards, Applied Math. Series 55, Tenth Printing, 1972 [alternative scanned copy]. MATHEMATICA Prime[ Select[ Range[200], PrimitiveRoot[ Prime[ # ]] == 3 & ]] (* or *) Select[ Prime@Range@200, PrimitiveRoot@# == 3 &] (* Robert G. Wilson v, May 11 2001 *) PROG (PARI) forprime(p=3, 1000, if(znorder(Mod(2, p))!=p-1&&znorder(Mod(3, p))==p-1, print1(p, ", "))); (PARI) { n=0; forprime (p=3, 99999, if (znorder(Mod(2, p))!=p-1 && znorder(Mod(3, p))==p-1, n++; write("b001123.txt", n, " ", p); if (n>=1000, break) ) ) } \\ Harry J. Smith, Jun 14 2009 CROSSREFS Cf. A001122, A001124, etc. Cf. A019334. Sequence in context: A228345 A196167 A290402 * A094080 A046118 A285738 Adjacent sequences:  A001120 A001121 A001122 * A001124 A001125 A001126 KEYWORD nonn AUTHOR EXTENSIONS More terms from Robert G. Wilson v, May 10 2001 STATUS approved

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Last modified May 7 20:36 EDT 2021. Contains 343652 sequences. (Running on oeis4.)