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%I #18 Sep 08 2020 02:04:45
%S 6,10,14,15,21,22,26,33,34,35,38,39,46,51,55,57,58,62,65,69,77,82,87,
%T 91,93,95,106,119,122,123,133,155,159,161,183,187,202,203,213,265,287,
%U 299,319,355,453,497,505,583,671,1057,1313,1963
%N A list of 52 distinct numbers such that the sum of their reciprocals is 1 and each number is of the form p*q where p and q are distinct primes.
%C This appears to be the smallest example known of this type.
%C Note that it has the property that no number divides another.
%H N. Burshtein, <a href="http://nntdm.net/volume-16-2010/number-2/01-04/">An improved solution of Sum_{i=1..k} 1/x_i = 1 ...</a>, NNTDM 16 (2010), 2, 1-4.
%H <a href="/index/Ed#Egypt">Index entries for sequences related to Egyptian fractions</a>
%Y See A201464 for the previous record. Cf A201463, A201650.
%K nonn,fini,full
%O 1,1
%A _N. J. A. Sloane_, Dec 02 2011
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