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%I #13 Jun 30 2012 13:20:15
%S 561,84350561,851703301,2436691321,34138047673,60246018673,
%T 63280622521,83946864769,110296864801,114919915021,155999871721,
%U 225593397919,342267565249,534919693681,660950414671,733547013841,1079942171239,1301203515361,1333189866793
%N Carmichael numbers whose prime factors do not divide any smaller Carmichael number.
%C Note that all terms so far have only three prime factors.
%H Donovan Johnson, <a href="/A202562/b202562.txt">Table of n, a(n) for n = 1..1377</a> (terms < 10^18)
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/CarmichaelNumber.html">Carmichael Number</a>
%H <a href="/index/Ca#Carmichael">Index entries for sequences related to Carmichael numbers</a>
%e a(2) = 84350561 because 84350561 = 107*743*1061 and the smaller Carmichael numbers do not have the factors 107, 743 or 1061.
%Y Cf. A002997, A087788.
%K nonn
%O 1,1
%A _Arkadiusz Wesolowski_, Dec 21 2011
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