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A060520
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Primes p that have at least four primitive roots that are not primitive roots mod p^2.
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2
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OFFSET
| 1,1
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COMMENTS
| 40487 is unusual - it has four primitive roots with this property (5, 5^3, 5^5, 4492) and 5 is the least positive primitive root mod 40487 - see A055578.
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EXAMPLE
| 13425, 18243, 34196, 38462, 39362 and 51787 are primitive roots mod 52517, but not mod 52517^2.
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CROSSREFS
| Cf. A060503, A055578, A060518, A060519.
Sequence in context: A145125 A145202 A188366 * A065759 A194653 A088894
Adjacent sequences: A060517 A060518 A060519 * A060521 A060522 A060523
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KEYWORD
| more,nonn
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AUTHOR
| Jud McCranie (JudMcCranie(AT)ugaalum.uga.edu), Mar 24 2001
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