A103521 Primes which have fewer primitive roots than any larger prime.

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

Author

Don Reble, Mar 21 2005

Keywords

• nonn

Crossrefs

Cf. A103203.