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A103521
Primes which have fewer primitive roots than any larger prime.
2
3, 7, 13, 19, 31, 43, 61, 67, 79, 103, 127, 151, 211, 241, 271, 331, 421, 463, 631, 661, 691, 751, 811, 1051, 1171, 1321, 1471, 1531, 1621, 1741, 2311, 2731, 2971, 3571, 3631, 4621, 4831, 4951, 5281, 6091, 6301, 6361, 7351, 8191, 9241, 9661, 9871
OFFSET
1,1
CROSSREFS
Cf. A103203.
Sequence in context: A256864 A231432 A271981 * A103966 A023237 A106061
KEYWORD
nonn
AUTHOR
Don Reble, Mar 21 2005
STATUS
approved