Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A129590
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A129590 Numbers n such that prime(n) + 2*(n-1)*prime(n-1) is prime. +0
1
1, 2, 3, 4, 5, 7, 8, 10, 12, 13, 14, 20, 23, 24, 26, 28, 29, 31, 33, 34, 35, 44, 46, 53, 58, 62, 64, 88, 108, 112, 116, 130, 146, 148, 155, 157, 164, 167, 172, 176, 179, 181, 190, 191, 202, 218, 222, 227, 230, 235, 238, 242, 244, 246, 248, 257, 262, 268, 274, 280, 289 (list; graph; listen)
OFFSET

1,2

MATHEMATICA

Join[{1}, Select[Range[2, 400], PrimeQ[Prime[ # ] + 2*(# - 1)*Prime[ # - 1]] &]]

CROSSREFS

Sequence in context: A066077 A103740 A034155 this_sequence A062469 A034156 A034157

Adjacent sequences: A129587 A129588 A129589 this_sequence A129591 A129592 A129593

KEYWORD

nonn,less

AUTHOR

J. M. Bergot (thekingfishb(AT)yahoo.ca), May 30 2007

EXTENSIONS

Edited and extended by Stefan Steinerberger (stefan.steinerberger(AT)gmail.com), Jul 26 2007

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | The OEIS Foundation | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified February 9 11:24 EST 2010. Contains 172296 sequences.


AT&T Labs Research