%I #4 Mar 30 2012 17:20:57
%S 1,1,3,9,31,113,429,1681,6739,27523,114093,478843,2030689,8688595,
%T 37461651,162604083,709963053,3116099485,13740924463,60847717965,
%U 270470978627,1206406375485,5397984469009,24222544060981
%N Recip transform of 2*(1 + x^3 + x^4 + x^6)-1/(1-x).
%C Sign diagram of generating sequence: +--++-+--------...
%K nonn
%O 0,3
%A _Olivier GĂ©rard_
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