%I #4 Mar 30 2012 17:20:57
%S 1,1,3,11,45,197,901,4261,20663,102191,513453,2613573,13449075,
%T 69849063,365658819,1927465339,10221707709,54498198789,291949801743,
%U 1570676592071,8482716335657,45972230344641,249938247763865
%N Recip transform of 2*(1 + x^6)-1/(1-x).
%C Sign diagram of generating sequence: +-----+--------...
%K nonn
%O 0,3
%A _Olivier GĂ©rard_
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