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Duplicate of A067139.
1

%I #4 Nov 10 2007 03:00:00

%S 1,2,3,5,9,11,13,17,19,23,25,29,33,35,37,39,41,43,49,53,57,65,67,69,71

%N Duplicate of A067139.

%K dead

%O 1,2