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A070849 Smallest prime == 1 mod (5n). 2
11, 11, 31, 41, 101, 31, 71, 41, 181, 101, 331, 61, 131, 71, 151, 241, 1021, 181, 191, 101, 211, 331, 461, 241, 251, 131, 271, 281, 1451, 151, 311, 641, 331, 1021, 701, 181, 1481, 191, 1171, 401, 821, 211, 431, 661, 1801, 461, 941, 241, 491, 251, 1021, 521 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

PROG

(PARI) for(n=1, 80, s=1; while((isprime(s)*s-1)%(5*n)>0, s++); print1(s, ", "))

CROSSREFS

Cf. A070846 to A070848 and A070850 to A070853.

Cf. A034694.

Sequence in context: A138844 A022345 A152082 * A124297 A172507 A089766

Adjacent sequences:  A070846 A070847 A070848 * A070850 A070851 A070852

KEYWORD

nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), May 15 2002

EXTENSIONS

More terms from Benoit Cloitre (benoit7848c(AT)orange.fr), May 18 2002

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Last modified February 15 05:38 EST 2012. Contains 205694 sequences.