A049182 - OEIS

%I #9 Jul 24 2023 04:37:01

%S 1,1,3,9,33,125,501,2063,8719,37531,164093,726491,3250743,14676923,

%T 66780835,305908709,1409609741,6529455069,30386379215,142002499261,

%U 666116180157,3135363209281,14803932109737,70097438174979

%N Revert transform of 2*x*(1 - x + 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^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 Gérard_

%E NAME corrected. - _R. J. Mathar_, Jul 24 2023