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%I #3 Mar 30 2012 17:28:02
%S 991,104435,712363,1932085,4816631,2685019,9180975,13841797,27084303,
%T 10089313,18865937,72584313,12235713,29071365,59499291,27454813,
%U 40349105,18039791,35811791,26392813,62173813,79465965,59293917
%N Numbers occurring at least twice in A114381, in order of second appearance.
%C Numbers that have three occurrences in A114381 are not known to date.
%H Klaus Brockhaus, <a href="/A161926/b161926.txt">Table of n, a(n) for n=1..222.</a>
%e A114381(11) = A114381(14) = 991; A114381(193) = A114381(348) = 104435; A114381(654) = A114381(2364) = 712363.
%o (PARI) /* gives terms and index of second occurrence */ {m=100000; S=[]; c=0; for(k=1, m, a=sum(j=prime(k), prime(k+1), prime(j)); S=setunion(S, Set(a)); d=#S; if(c==d, print(a, ", " ,k), c=d))}
%Y Cf. A114381, A161927 (index of second occurrence).
%K nonn
%O 1,1
%A _Klaus Brockhaus_, Jul 01 2009
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