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A153762
Numbers k such that 8k + 9 is prime.
6
1, 4, 8, 10, 11, 13, 16, 23, 28, 29, 31, 34, 38, 41, 43, 49, 50, 53, 55, 56, 64, 70, 71, 73, 74, 76, 79, 83, 94, 95, 100, 106, 109, 115, 116, 118, 121, 125, 128, 130, 136, 140, 143, 148, 149, 151, 155, 160, 161, 164, 169, 175, 178, 184, 185, 193, 199, 200, 206, 211
OFFSET
1,2
COMMENTS
One less than the associated term in A005123. - R. J. Mathar, Jan 05 2011
LINKS
MATHEMATICA
Select[Range[0, 250], PrimeQ[8*# + 9]&] (* Vincenzo Librandi, Sep 24 2012 *)
PROG
(Magma) [n: n in [0..300] | IsPrime(8*n + 9)]; // Vincenzo Librandi, Sep 24 2012
(PARI) is(n)=isprime(8*n+9) \\ Charles R Greathouse IV, Sep 24 2012
CROSSREFS
Cf. A023232.
Sequence in context: A289362 A074776 A310969 * A310970 A288246 A310971
KEYWORD
nonn,easy
AUTHOR
Vincenzo Librandi, Jan 01 2009
STATUS
approved