login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A049186 Revert transform of 2*(1 + x + x^2 + x^4 + x^6 + x^7)-1/(1-x). 0
1, 1, 3, 11, 45, 197, 901, 4259, 20643, 102035, 512365, 2606421, 13403715, 69568071, 363946211, 1917148173, 10160087333, 54132552109, 289790960735, 1557980372127, 8408281616305, 45536927325809, 247397689058521 (list; graph; refs; listen; history; internal format)
OFFSET

1,3

COMMENTS

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

LINKS

Index entries for reversions of series

CROSSREFS

Sequence in context: A151129 A151130 A074532 * A049160 A191243 A146086

Adjacent sequences:  A049183 A049184 A049185 * A049187 A049188 A049189

KEYWORD

nonn

AUTHOR

Olivier Gerard (olivier.gerard(AT)gmail.com)

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 15 06:50 EST 2012. Contains 205694 sequences.