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%I #8 Sep 06 2019 04:10:26
%S 1,2,5,17,18,93,189,1335,1341,4033,4038,44448,44463,578124,1156353,
%T 1156409,1156437,19659681,19659807,373537593,373538223,373538553,
%U 373538718,8591392494,8591393484,42956969994,42956971281,128870915845,128870916846
%N a(n) = (Sum_{i=0..n-1} 1/b(i)) * LCM{b(i): i=0..n-1}, where b(i) = C(i,floor(i/2)).
%K nonn
%O 1,2
%A _Clark Kimberling_
%E Title corrected by _Sean A. Irvine_, Sep 05 2019