%I #9 Jul 24 2023 04:52:28
%S 1,1,3,9,33,127,517,2171,9359,41139,183749,831479,3803859,17563853,
%T 81747331,383116181,1806427061,8563227837,40787427055,195106310221,
%U 936890791253,4514624943827,21823938003449,105804610564879
%N Revert transform of 2*x*(1 - x - x^5 + 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^5+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