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A070853
Smallest prime == 1 mod (9n).
10
19, 19, 109, 37, 181, 109, 127, 73, 163, 181, 199, 109, 937, 127, 271, 433, 307, 163, 2053, 181, 379, 199, 829, 433, 1801, 937, 487, 757, 523, 271, 1117, 577, 1783, 307, 631, 1297, 1999, 2053, 3511, 1801, 739, 379, 1549, 397, 811, 829, 1693, 433, 883
OFFSET
1,1
LINKS
PROG
(PARI) for(n=1, 80, s=1; while((isprime(s)*s-1)%(9*n)>0, s++); print1(s, ", "))
KEYWORD
nonn
AUTHOR
Amarnath Murthy, May 15 2002
EXTENSIONS
Corrected and extended by Benoit Cloitre, May 18 2002
STATUS
approved