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A105772
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Numbers n such that (7*n + 2) is prime.
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6
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0, 3, 5, 11, 15, 21, 23, 27, 33, 45, 47, 51, 53, 57, 63, 65, 71, 77, 81, 93, 101, 107, 117, 123, 125, 131, 135, 147, 155, 161, 167, 173, 183, 185, 195, 197, 201, 203, 207, 213, 221, 231, 251, 255, 257, 267, 273, 285, 287, 291, 293, 297, 305, 311, 315, 317, 333
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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EXAMPLE
| If n=0, then 7*n + 2 = 2 (prime).
If n=63, then 7*63 + 2 = 443 (prime).
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MATHEMATICA
| Select[Range[0, 500], PrimeQ[7#+2]&] (* From Harvey P. Dale, Apr 21 2011 *)
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PROG
| (MAGMA) [n: n in [0..500]| IsPrime(7*n + 2)]; // From Vincenzo Librandi, Feb 03 2011
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CROSSREFS
| Sequence in context: A003546 A082421 A153798 * A034169 A136977 A003529
Adjacent sequences: A105769 A105770 A105771 * A105773 A105774 A105775
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KEYWORD
| nonn
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AUTHOR
| Parthasarathy Nambi (PachaNambi(AT)yahoo.com), May 04 2005
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EXTENSIONS
| More terms from Rick L. Shepherd (rshepherd2(AT)hotmail.com), May 18 2005
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