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%I #28 Oct 14 2019 17:39:44
%S 24,26,39,41,78,80,82,84,86,112,113,125,127,130,132,137,186,188,197,
%T 199,201,203,205,207,209,211,213,215,217,219,221,223,224,236,238,240,
%U 242,244,246,310,312,314,316,318,320,322,324,326,328,330,332,334,336,338,353
%N Indices of terms in Recamán's sequence A005132 that do not appear for the first time.
%C A064284(A005132(a(n))) > 1.
%H Peter Kagey, <a href="/A260251/b260251.txt">Table of n, a(n) for n = 1..10000</a>
%Y Cf. A005132, A064284.
%K nonn
%O 1,1
%A _Gionata Neri_, Apr 08 2016