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Duplicate of A023758.
0

%I #3 Sep 29 2006 03:00:00

%S 1,2,3,4,6,7,8,12,14,15,16,24,28,30,31,32,48,56,60,62,63,64,96,112,120

%N Duplicate of A023758.

%K dead

%O 1,2