id:A046145 - OEIS Search Results

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Smallest primitive root of n, or 0 if no root exists.

+0
11

0, 0, 1, 2, 3, 2, 5, 3, 0, 2, 3, 2, 0, 2, 3, 0, 0, 3, 5, 2, 0, 0, 7, 5, 0, 2, 7, 2, 0, 2, 0, 3, 0, 0, 3, 0, 0, 2, 3, 0, 0, 6, 0, 3, 0, 0, 5, 5, 0, 3, 3, 0, 0, 2, 5, 0, 0, 0, 3, 2, 0, 2, 3, 0, 0, 0, 0, 2, 0, 0, 0, 7, 0, 5, 5, 0, 0, 0, 0, 3, 0, 2, 7, 2, 0, 0, 3, 0, 0, 3, 0, 0, 0, 0, 5, 0, 0, 5, 3, 0, 0 (list; graph; listen)

	OFFSET	`0,4`
	COMMENT	`The value 0 at index 0 says 0 has no primitive roots, but the 0 at index 1 says 1 has a primitive root of 0, the only real 0 in the sequence.`
	LINKS	`T. D. Noe, Table of n, a(n) for n=0..10000` `Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.`
	CROSSREFS	`Cf. A001918, A046144, A046146.` `Sequence in context: A118176 A005731 A132962 this_sequence A103309 A007967 A054494` `Adjacent sequences: A046142 A046143 A046144 this_sequence A046146 A046147 A046148`
	KEYWORD	`nonn,easy,nice`
	AUTHOR	`Eric Weisstein (eric(AT)weisstein.com)`
	EXTENSIONS	`Initial terms corrected by Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jan 27 2005`

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.

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