id:A070270 - OEIS Search Results

Search: id:A070270

Displaying 1-1 of 1 results found.

page 1

Primes for which the smallest positive primitive root is even and nonprime.

+0
1

41, 109, 151, 229, 251, 271, 313, 337, 367, 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, 3251, 3301 (list; graph; listen)

	OFFSET	`1,1`
	PROGRAM	`(PARI) forprime(n=1, 5000, if((-1)^(lift(znprimroot(n))*(1-isprime(lift(znprimroot(n)))))==1+isprime(lift(z\ nprimroot(n))), print1(n, ", ")))`
	CROSSREFS	`Cf. A047936, A001918.` `Sequence in context: A044228 A044609 A142054 this_sequence A001125 A116509 A105389` `Adjacent sequences: A070267 A070268 A070269 this_sequence A070271 A070272 A070273`
	KEYWORD	`easy,nonn`
	AUTHOR	`Benoit Cloitre (benoit7848c(AT)orange.fr), May 09 2002`

page 1

Search completed in 0.002 seconds

Last modified November 30 13:13 EST 2009. Contains 167758 sequences.

AT&T Labs Research