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A018781
Duplicate of
A003523
.
0
%I #3 Nov 10 2007 03:00:00
%S 1,3,11,31,33,93,341,1023
%N Duplicate of A003523.
%K dead
%O 1,2
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Last modified July 14 17:41 EDT 2024. Contains 374322 sequences. (Running on oeis4.)
