Search: id:A107015
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%I A107015
%S A107015 0,1,0,0,0,0,1,1,1,2,1,1,0,0,1,0,0,0,0,1,0,0,1,0,0,0,0,1,1,1,2,1,1,1,1,
%T A107015 2,1,1,1,1,2,2,2,3,2,2,1,1,2,1,1,1,1,2,0,0,1,0,0,0,0,1,1,1,2,1,1,0,0,1,
%U A107015 0,0,0,0,1,0,0,1,0,0,0,0,1,1,1,2,1,1,0,0,1,0,0,0,0,1,1,1,2,1,1,0,0,1,0
%N A107015 Number of even terms in Zeckendorf representation of n.
%C A107015 a(n) = A007895(n) - A107016(n).
%C A107015 a(A107228(n)) = 0. - Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), 
               May 15 2005
%H A107015 Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/
               ZeckendorfRepresentation.html">Zeckendorf Representation</a>
%e A107015 n = 77 = 55+21+1 -> a(77) = #{} = 0;
%e A107015 n = 88 = 55+21+8+3+1 -> a(88) = #{8} = 1;
%e A107015 n = 99 = 89+8+2 -> a(99) = #{2, 8} = 2.
%Y A107015 Cf. A000045.
%Y A107015 Cf. A107224, A107225, A107226.
%Y A107015 Sequence in context: A143809 A056559 A117200 this_sequence A015374 A164058 
               A092410
%Y A107015 Adjacent sequences: A107012 A107013 A107014 this_sequence A107016 A107017 
               A107018
%K A107015 nonn
%O A107015 1,10
%A A107015 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), May 09 2005

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