A129272 - OEIS

%I #3 Mar 30 2012 18:39:24

%S 0,0,1,0,0,0,0,1,0,0,1,0,0,1,0,0,1,0,1,0,0,1,0,0,1,0,0,1,0,1,0,0,0,0,

%T 0,1,0,0,1,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,0,1,0,0,1,0,1,0,0,1,0,1,0,0,

%U 1,0,0,1,0,0,0,0,1,0,0,1,0,0,0,0,0,0,1,0,0,0,0,0,1,0,0,1,0,0,1,0,1,0,0,0,1

%N a(n)=(1/2)*(2*b(n+1)-3*b(n)+(1-(-1)^b(n))/2) where b(n)=A073941(n).

%K nonn

%O 1,1

%A _Benoit Cloitre_, May 26 2007