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

 

Logo

Invitation: celebrating 50 years of OEIS, 250000 sequences, and Sloane's 75th, there will be a conference at DIMACS, Rutgers, Oct 9-10 2014.

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A046848 Hyper-Cullen primes of second species: 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

LINKS

Table of n, a(n) for n=1..7.

CROSSREFS

Cf. A046849.

Sequence in context: A174602 A154880 A160958 * A089661 A191808 A202606

Adjacent sequences:  A046845 A046846 A046847 * A046849 A046850 A046851

KEYWORD

hard,nonn

AUTHOR

Felice Russo

STATUS

approved

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

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

Last modified September 3 03:40 EDT 2014. Contains 246369 sequences.