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!)
A246988 Number of isomorphism classes of oriented matroids of dimension n and cardinality n+3. 1
1, 4, 12, 25, 50, 91, 164 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
LINKS
CROSSREFS
A diagonal of A063804.
Sequence in context: A008264 A000297 A078618 * A304843 A062883 A364373
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Sep 17 2014
EXTENSIONS
a(4) corrected by Andrey Zabolotskiy, Mar 26 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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 08:22 EDT 2024. Contains 371236 sequences. (Running on oeis4.)