%I #3 Mar 30 2012 18:51:58
%S 1,0,1,2,1,1,1,4,7,2,10,7,5,4,1,5,1,14,10,8,19,1,19,8,13,17,23,10,13,
%T 35,11,28,16,31,37,19,32,31,29,14,13,31,40,1,4,37,50,11,5,55,53,50,47,
%U 17,49,47,35,49,16,22,16,44,73,5,38,76,31,23,83,25,53,50,61,1
%N Number of 2's in A139067(n).
%Y Cf. A139067.
%K nonn,base
%O 1,4
%A _Paul Curtz_ and _Ray Chandler_, Aug 14 2008
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