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!)
A076210 Numbers n such that (-n!!+(n+1)!!+1)/2 is prime. 3
3, 5, 6, 8, 13, 14, 27, 112, 531, 3795, 4269, 4587, 4910 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
CROSSREFS
Cf. A006882 (double factorials), A076208, A076209, A076211.
Sequence in context: A033163 A228372 A039869 * A039014 A102989 A005623
KEYWORD
nonn
AUTHOR
Zak Seidov, Nov 02 2002
EXTENSIONS
More terms (checked n<5000) from Hugo Pfoertner, Jun 22 2003
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 18 22:56 EDT 2024. Contains 370952 sequences. (Running on oeis4.)