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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A049180 Revert transform of 2*x*(1 - x - x^3 + x^4 - x^5)-x/(1+x). 0
 1, 1, 3, 11, 43, 183, 815, 3749, 17693, 85161, 416451, 2063255, 10334187, 52241811, 266203487, 1365869249, 7050739841, 36591914977, 190811893315, 999264296139, 5253232501219, 27713207861343, 146664411527631, 778434156770069 (list; graph; refs; listen; history; text; internal format)
 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-x^3+x^4-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 Sequence in context: A151103 A049189 A049163 * A049152 A151104 A138787 Adjacent sequences: A049177 A049178 A049179 * A049181 A049182 A049183 KEYWORD nonn AUTHOR Olivier Gérard EXTENSIONS NAME corrected. - R. J. Mathar, Jul 24 2023 STATUS approved

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.

Last modified November 30 18:31 EST 2023. Contains 367461 sequences. (Running on oeis4.)