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!)
A216959 A216958/2. 2
1, 1, 2, 3, 5, 10, 18, 36, 71, 140, 280, 557, 1111, 2218, 4432, 8859, 17710, 35412, 70812, 141605, 283197, 566364, 1132695, 2265363, 4530659, 9061259, 18122454, 36244783, 72489435, 144978745, 289957235, 579914215, 1159828166, 2319655810, 4639311084 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,3
LINKS
CROSSREFS
Cf. A216958.
Sequence in context: A318301 A030032 A002661 * A065053 A237250 A283314
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Sep 27 2012
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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified April 25 05:56 EDT 2024. Contains 371964 sequences. (Running on oeis4.)