%I #7 Jul 13 2013 12:04:35
%S 1,5,6,9,11,13,15,16,17,20,21,23,25,27,28,29,31,33,34,36,38,39,40,42,
%T 44,45,47,49,50,52,54,55,56,58,60,61,63,65,67,68,70,71,73,74,75,76,77,
%U 79,81,82,85,86,87,89,90,92,93,94,96,97,98,100,101,104,105
%N Positions in A030229 where odd terms occur.
%C A030229(a(n)) mod 2 = 1; A020639(A030229(a(n))) > 2.
%H Reinhard Zumkeller, <a href="/A220968/b220968.txt">Table of n, a(n) for n = 1..10000</a>
%o (Haskell)
%o import Data.List (findIndices)
%o a220968 n = a220968_list !! (n-1)
%o a220968_list = map (+ 1) $ findIndices odd a030229_list
%Y Cf. A220969 (complement).
%K nonn
%O 1,2
%A _Reinhard Zumkeller_, Dec 27 2012