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A070853 Smallest prime == 1 mod (9n). 8
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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..49.

PROG

(PARI) for(n=1, 80, s=1; while((isprime(s)*s-1)%(9*n)>0, s++); print1(s, ", "))

CROSSREFS

Cf. A070846 to A070852.

Cf. A034694.

Sequence in context: A022353 A323177 A261756 * A165840 A266804 A170914

Adjacent sequences:  A070850 A070851 A070852 * A070854 A070855 A070856

KEYWORD

nonn

AUTHOR

Amarnath Murthy, May 15 2002

EXTENSIONS

Corrected and extended by Benoit Cloitre, May 18 2002

STATUS

approved

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Last modified November 14 07:13 EST 2019. Contains 329111 sequences. (Running on oeis4.)