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%I #7 Apr 07 2016 02:40:46
%S 0,1,1,1,0,2,1,0,2,1,-1,1,0,2,2,2,-1,3,1,-1,1,0,2,2,2,-1,3,1,-2,0,-1,
%T 2,0,1,-1,1,0,2,2,2,0,4,2,0,4,2,-3,1,-1,4,2,3,-2,4,1,-2,0,-1,2,0,1,-1,
%U 1,0,2,2,2,0,4,2,0,4,2,-3,1,-1,4,2,3,-2,4,1
%N a(3n)=a(n), a(3n+1)=a(3(n+1))-a(3n), a(3n+2)=a(3n)+a(3(n+1)); a(0)=0, a(1)=1.
%C Maxima a(<3^n)=A029744(n).
%H Max Barrentine, <a href="/A270657/b270657.txt">Table of n, a(n) for n = 0..59048</a>
%F a(3n)=a(n), a(3n+1)=a(3(n+1))-a(3n), a(3n+2)=a(3n)+a(3(n+1)); a(0)=0, a(1)=1.
%K sign,look
%O 0,6
%A _Max Barrentine_, Mar 20 2016
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