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Erroneous version of A039952.
0

%I #1 Dec 11 1999 03:00:00

%S 1,2,3,4,6,7,12,15,20,30,31,60,61,84,105,140,210,211,420,421,422,423,

%T 840,841,1260,1261,1540,2310,2520,4620,4621,5460,5461,9240

%N Erroneous version of A039952.

%K dead

%O 1,2