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%I #12 Nov 03 2012 01:35:05
%S 0,0,0,1,3,7,15,34,74,158,333,694,1434,2946,6030,12312,25090,51040,
%T 103654,210165,425488,860267,1737263,3504655,7063602,14225185,
%U 28627843,57579313
%N a(n) = number of terms in A213717 whose magnitude is in range [(2^n)-1,(2^(n+1))-2] (or equally, in range [(2^n),(2^(n+1))-1])
%F a(n) = A011782(n)-A213709(n).
%F a(n) = Sum_{i=(2^n) .. (2^(n+1))-1} (A079559(i)-A213719(i)).
%K nonn
%O 0,5
%A _Antti Karttunen_, Nov 01 2012