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A049179 Revert transform of 2*x*(1 - x + x^4 - x^5)-x/(1+x). 0

%I #10 Jul 24 2023 04:26:33

%S 1,1,3,9,31,113,431,1697,6849,28181,117787,498705,2134499,9220393,

%T 40146495,176011777,776363417,3442818809,15340344035,68645684937,

%U 308365373183,1390064360561,6286153799119,28510001658689

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

%C Sign diagram of generating sequence: +++--++---------...

%H N. J. A. Sloane, <a href="/transforms.txt">Transforms</a>

%H <a href="/index/Res#revert">Index entries for reversions of series</a>

%p Order := 80:

%p g := 2*x*(1-x+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 GĂ©rard_

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

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Last modified February 28 21:38 EST 2024. Contains 370400 sequences. (Running on oeis4.)