%I #2 Oct 09 2013 14:20:15
%S 3,3,5,5,7,7,7,7,11,11,13,13,13,13,17,17,19,19,19,19,19,19,19,19,19,
%T 19,29,29,31,31,31,31,31,31,31,31,31,31,41,41,43,43,43,43,43,43,43,43,
%U 43,43,43,43,43,43,43,43,59,59,61,61,61,61,61,61,61,61,61,61,71,71,73,73
%N Greatest twin prime that does not exceed n (starting at n=3).
%K easy,nonn
%O 3,1
%A _Sam Alexander_, Nov 14 2003