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!)
A046848 Primes of form n*2^n+(n-1). 1
2, 67, 389, 32212254749, 584115552289, 1861861819085211933448282832989, 22747455000408352326750293979672813380881340606518608030931171147991 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
The next term has 341 digits. - Harvey P. Dale, Apr 15 2017
LINKS
MATHEMATICA
Select[Table[n 2^n+n-1, {n, 300}], PrimeQ] (* Harvey P. Dale, Apr 15 2017 *)
CROSSREFS
Cf. A046849.
Sequence in context: A174602 A154880 A160958 * A318064 A089661 A355326
KEYWORD
hard,nonn
AUTHOR
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 10:31 EDT 2024. Contains 371240 sequences. (Running on oeis4.)