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%I #4 Dec 05 2013 19:55:32
%S 2,3,5,4,6,8,9,7,10,12,14,15,16,18,20,11,21,13,22,24,25,26,27,28,30,
%T 32,33,34,35,36,38,39,40,42,44,45,46,48,49,17,50,51,52,54,55,56,57,58,
%U 60,19,62,63,64,65,66,68,69,70,23,72,74,75,29,76,77,78,80,81,82,84,85,31
%N a(1) =2. Let S(k) = sum of k terms. If S(n) is prime then a(n+1) is the smallest prime not included earlier else a(n+1) is the smallest composite number not included earlier.
%K nonn
%O 0,1
%A _Amarnath Murthy_, Aug 17 2002
%E Corrected and extended by _Sean A. Irvine_, Nov 29 2009
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