A049189 Revert transform of 2*x*(1 - x)*(1-x^3-x^5)-x/(1+x).

1, 1, 3, 11, 43, 183, 813, 3731, 17563, 84303, 411093, 2030833, 10141953, 51117801, 259695379, 1328454221, 6836777765, 35373248213, 183892104895, 960066929119, 5031617143079, 26462109374051, 139609962072913, 738695107457919

Offset

1,3

Comments

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

Links

Table of n, a(n) for n=1..24.

Index entries for reversions of series

Maple

Order := 80:
g := 2*x*(1-x)*(1-x^3-x^5)-x/(1+x) ;
solve(series(g, x)=y, x) :
convert(%, polynom) :
seq(coeff(%, y, i), i=0..Order-1) ; # R. J. Mathar, Jul 24 2023

Crossrefs

Cf. A049186.

Sequence in context: A151101 A151102 A151103 * A049163 A049180 A049152

Adjacent sequences: A049186 A049187 A049188 * A049190 A049191 A049192

Keyword

nonn

Author

Olivier Gérard

Extensions

NAME corrected. - R. J. Mathar, Jul 24 2023

Status

approved