%I #9 Jul 24 2023 04:40:23
%S 1,1,3,11,45,195,885,4151,19963,97899,487717,2461393,12557439,
%T 64657461,335562499,1753538133,9218852525,48725353661,258759350495,
%U 1380021781719,7388261669161,39692491630271,213918652593929
%N Revert transform of 2*x*(1 - x - x^3 + x^6)-x/(1+x).
%C Sign diagram of generating sequence: +++-+--+--------...
%H <a href="/index/Res#revert">Index entries for reversions of series</a>
%p Order := 80:
%p g := 2*x*(1-x-x^3+x^6)-x/(1+x) ;
%p solve(series(g, x)=y, x) :
%p convert(%, polynom) :
%p seq(coeff(%, y, i), i=0..Order-1) ; # _R. J. Mathar_, Jul 24 2023
%K nonn
%O 1,3
%A _Olivier GĂ©rard_
%E NAME corrected. - _R. J. Mathar_, Jul 24 2023