A049180 - OEIS

%I #9 Jul 24 2023 04:30:25

%S 1,1,3,11,43,183,815,3749,17693,85161,416451,2063255,10334187,

%T 52241811,266203487,1365869249,7050739841,36591914977,190811893315,

%U 999264296139,5253232501219,27713207861343,146664411527631,778434156770069

%N Revert transform of 2*x*(1 - x - x^3 + x^4 - x^5)-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^4-x^5)-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