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%I #7 Mar 31 2012 13:21:29
%S 1,2,3,4,5,6,7,8,9,10,11,12,14,15,16,18,20,21,22,24,26,27,28,30,32,36,
%T 38,40,42,45,48,50,54,56,60,66,70,72,78,80,84,90,96,105,108,110,120,
%U 126,132,138,140,150,180,210
%N Not the sum of two relatively prime composite numbers.
%C _Max Alekseyev_ showed that this sequence is finite; proof completed by several people to show that the list is complete.
%e 13 is not in the set because 13 = 4 + 9. 15 = 6 + 9 does not prevent 15 from being in the set because gcd(6,9) = 3.
%K nonn,fini,full
%O 0,2
%A _Franklin T. Adams-Watters_, Jul 22 2004
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