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%I #4 Dec 05 2013 19:55:37
%S 1,4,13,15,19,21,29,32,41,44,53,55,59,62,71,74,83,85,89,91,97,99,103,
%T 105,109,111,127,129,137,140,149,152,167,169,173,175,179,182,191,194,
%U 227,230,239,242,251,253,257,259,263,265,269,272,281,284,293,295,307
%N a(1) = 1, a(2n) = smallest composite number obtained by adding a prime to a(2n-1). a(2n+1) = the smallest prime obtained by adding a composite number to a(2n).
%C a(k) = b(k-1) for k > 6 where b(r) is the r-th term of A075338.
%Y Cf. A075338.
%K nonn
%O 1,2
%A _Amarnath Murthy_, Sep 18 2002
%E More terms from _David Wasserman_, Jan 16 2005
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