id:A056619 - OEIS Search Results

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Smallest prime with primitive root of n or 0 if no such prime exists.

+0
2

2, 3, 2, 0, 2, 11, 2, 3, 0, 7, 2, 5, 2, 3, 2, 0, 2, 5, 2, 3, 2, 5, 2, 7, 0, 3, 2, 5, 2, 11, 2, 3, 2, 19, 2, 0, 2, 3, 2, 7, 2, 5, 2, 3, 2, 11, 2, 5, 0, 3, 2, 5, 2, 7, 2, 3, 2, 5, 2, 19, 2, 3, 2, 0, 2, 7, 2, 3, 2, 19, 2, 5, 2, 3, 2, 13, 2, 5, 2, 3, 0, 5, 2, 11, 2, 3, 2, 5, 2, 11, 2, 3, 2, 7, 2, 7, 2, 3, 2 (list; graph; listen)

	OFFSET	`1,1`
	COMMENT	`a(n) = 0 only for perfect squares, A000290.`
	CROSSREFS	`Here the primitive root may be larger than the prime, whereas in A023049 in may not be.` `Cf. A001122, A001913, A019334-A019421.` `Sequence in context: A002120 A021435 A007325 this_sequence A104771 A056888 A111182` `Adjacent sequences: A056616 A056617 A056618 this_sequence A056620 A056621 A056622`
	KEYWORD	`nonn`
	AUTHOR	`Robert G. Wilson v (rgwv(AT)rgwv.com), Aug 07 2000`
	EXTENSIONS	`Corrected and extended by Jud McCranie (j.mccranie(AT)comcast.net), Mar 21, 2002.`

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Last modified September 5 17:15 EDT 2008. Contains 143476 sequences.

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