OFFSET
1,1
MATHEMATICA
Select[2*Range[150], !PrimeQ[#+3]&] (* Harvey P. Dale, Oct 15 2012 *)
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Giovanni Teofilatto, Oct 31 2008
EXTENSIONS
54 and 66 inserted, 7274 split, 78 inserted, 176 removed by R. J. Mathar, Dec 04 2008
STATUS
approved