id:A060518 - OEIS Search Results

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Primes p that have exactly two primitive roots that are not primitive roots mod p^2.

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367, 863, 907, 1327, 1549, 1579, 1607, 1619, 1697, 2221, 2267, 2551, 2671, 2677, 2693, 2719, 2837, 3209, 3313, 4049, 4373, 4391, 4909, 5261, 5669, 5693, 6007, 6269, 6343, 6547, 6653, 6703, 6857, 6907, 7013, 7559, 7573, 7583, 7669, 7723, 7919 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`If x is a primitive root mod prime p then either x is a primitive root mod p^2 or x has order p-1 mod p^2.`
	EXAMPLE	`159 and 205 are primitive roots mod 367, but not mod 367^2.`
	CROSSREFS	`Cf. A060503, A055578, A060519, A060520.` `Sequence in context: A142236 A054827 A059230 this_sequence A065556 A068357 A067891` `Adjacent sequences: A060515 A060516 A060517 this_sequence A060519 A060520 A060521`
	KEYWORD	`nonn`
	AUTHOR	`Jud McCranie (j.mccranie(AT)comcast.net), Mar 24 2001`

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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