OFFSET
1,1
LINKS
Harvey P. Dale, Table of n, a(n) for n = 1..1000
EXAMPLE
The quartets are: (19, 29, 31, 41), if k=30; (31, 41, 43, 53), if k=42; (61, 71, 73, 83), if k=72; etc.
MATHEMATICA
Flatten[#+{-11, -1, 1, 11}&/@Select[Range[7, 1300], And@@PrimeQ[#+{-11, -1, 1, 11}]&]] (* Harvey P. Dale, Sep 29 2013 *)
CROSSREFS
KEYWORD
nonn
AUTHOR
Juri-Stepan Gerasimov, Jul 03 2008
EXTENSIONS
Corrected (quartets with 7 and 1279 added) by R. J. Mathar, Apr 25 2010
STATUS
approved