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 A048976 Primes whose least primitive root is an odd prime. 2
 7, 17, 23, 31, 43, 47, 71, 73, 79, 89, 97, 103, 113, 127, 137, 157, 167, 191, 193, 199, 223, 233, 239, 241, 257, 263, 277, 281, 283, 307, 311, 331, 353, 359, 383, 397, 401, 431, 433, 449, 457, 463, 479, 487, 499, 503, 521, 569, 571, 577, 593, 599, 601, 607 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 COMMENTS Original name was "Primes for which an odd prime is a primitive root". Primes in A317649. - Robert Israel, Aug 03 2018 REFERENCES P. Ribenboim, The new book of prime number records, Springer 1996, pp. 22-25. LINKS Robert Israel, Table of n, a(n) for n = 1..10000 MAPLE filter:= proc(n) local p;   p:= numtheory:-primroot(n);   p>2 and isprime(p) end proc: select(filter, [seq(ithprime(i), i=2..200)]); # Robert Israel, Aug 02 2018 MATHEMATICA Select[Prime@ Range@ 112, If[# == {}, False, And[PrimeQ@ #, # > 2] &@ #[[1]] ] &@ PrimitiveRootList[#] &] (* Michael De Vlieger, Aug 02 2018 *) CROSSREFS Cf. A001918, A317649. Sequence in context: A308816 A254678 A165353 * A088546 A265816 A246717 Adjacent sequences:  A048973 A048974 A048975 * A048977 A048978 A048979 KEYWORD nonn AUTHOR EXTENSIONS More terms from James A. Sellers, Apr 22 2000 Definition corrected by Robert Israel, Aug 02 2018 STATUS approved

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Last modified June 23 18:45 EDT 2021. Contains 345402 sequences. (Running on oeis4.)