id:A047936 - OEIS Search Results

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Primes for which smallest positive primitive root (A001918) is not prime.

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3

2, 41, 109, 151, 229, 251, 271, 313, 337, 367, 409, 439, 733, 761, 971, 991, 1021, 1031, 1069, 1289, 1297, 1303, 1429, 1471, 1489, 1759, 1783, 1789, 1811, 1871, 1873, 1879, 2137, 2411, 2441, 2551, 2749, 2791, 2971, 3001, 3061, 3079, 3109, 3221, 3229 (list; graph; listen)

	OFFSET	`1,1`
	LINKS	`Index entries for primes by primitive root`
	MATHEMATICA	<< NumberTheory`NumberTheoryFunctions` lst={}; Do[p=Prime[n]; pr=PrimitiveRoot[p]; If[pr>1&&!PrimeQ[pr], AppendTo[lst, p]], {n, 7!}]; lst [From Vladimir Orlovsky (4vladimir(AT)gmail.com), Oct 24 2009]
	CROSSREFS	`Sequence in context: A073468 A073186 A103335 this_sequence A007533 A088565 A090195` `Adjacent sequences: A047933 A047934 A047935 this_sequence A047937 A047938 A047939`
	KEYWORD	`nonn,easy`
	AUTHOR	`Felice Russo (felice.russo(AT)katamail.com)`
	EXTENSIONS	`More terms from James A. Sellers (sellersj(AT)math.psu.edu), Dec 22 1999`

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.

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