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A140564
List of prime quartets (k - 7, k - 5, k + 5, k + 7).
1
5, 7, 17, 19, 17, 19, 29, 31, 29, 31, 41, 43, 59, 61, 71, 73, 137, 139, 149, 151, 179, 181, 191, 193, 227, 229, 239, 241, 269, 271, 281, 283, 419, 421, 431, 433, 809, 811, 821, 823, 1019, 1021, 1031, 1033, 1049, 1051, 1061, 1063, 1277, 1279, 1289, 1291, 1289
OFFSET
1,1
LINKS
EXAMPLE
The quartets are: (5, 7, 17, 19), if k=12; (17, 19, 29, 31), if k=24; (29, 31, 41, 43), if k=36; etc.
MATHEMATICA
Flatten[#+{-7, -5, 5, 7}&/@Select[Range[2, 2000, 2], And@@PrimeQ[#+{-7, -5, 5, 7}]&]] (* Harvey P. Dale, Dec 13 2013 *)
CROSSREFS
Sequence in context: A224070 A075089 A075305 * A253085 A078764 A216731
KEYWORD
nonn
AUTHOR
EXTENSIONS
Corrected (two quartets inserted) by R. J. Mathar, Apr 25 2010
STATUS
approved