login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A049183 Revert transform of 2*x*(1 - x - x^3 + x^6)-x/(1+x). 0

%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

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 25 05:58 EST 2024. Contains 370310 sequences. (Running on oeis4.)