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A070849
Smallest prime == 1 mod (5n).
7
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
OFFSET
1,1
LINKS
PROG
(PARI) for(n=1, 80, s=1; while((isprime(s)*s-1)%(5*n)>0, s++); print1(s, ", "))
KEYWORD
nonn
AUTHOR
Amarnath Murthy, May 15 2002
EXTENSIONS
More terms from Benoit Cloitre, May 18 2002
STATUS
approved