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

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A046154 Primes of the form n*2^phi(n)+1 with phi the Euler function. 1
3, 5, 13, 17, 449, 577, 193, 1153, 86017, 26214401, 114689, 7681, 147457, 754974721, 215504279044097, 14155777, 69206017, 4943727411754159833089, 6269010681299730433, 96757023244289, 31525197391593473, 8658654068737 (list; graph; refs; listen; history; internal format)
OFFSET

1,1

COMMENTS

Sorted along increasing n of the definition. [From R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 10 2010]

CROSSREFS

Sequence in context: A131020 A084706 A002716 * A180120 A075704 A045413

Adjacent sequences:  A046151 A046152 A046153 * A046155 A046156 A046157

KEYWORD

hard,nonn

AUTHOR

Felice Russo (frusso(AT)micron.com)

EXTENSIONS

More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 10 2010

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

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

Last modified February 14 09:18 EST 2012. Contains 205614 sequences.