OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
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
KEYWORD
nonn
AUTHOR
Juri-Stepan Gerasimov, Jul 03 2008
EXTENSIONS
Corrected (two quartets inserted) by R. J. Mathar, Apr 25 2010
STATUS
approved