%I #4 Mar 30 2012 17:20:57
%S 1,1,3,9,33,125,501,2065,8739,37687,165133,732915,3288431,14890715,
%T 67964547,312347427,1444163637,6712965621,31352965503,147060094981,
%U 692437504773,3271741774097,15507950956329,73720541568021
%N Recip transform of 2*(1 + x^3 + x^5 + x^6)-1/(1-x).
%C Sign diagram of generating sequence: +--+-++--------...
%K nonn
%O 0,3
%A _Olivier GĂ©rard_
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