Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A047989
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A047989 6 consecutive primes p such that each 2p+1 is also prime. +0
1
445480319, 445480331, 445480361, 445480391, 445480421, 445480439 (list; graph; listen)
OFFSET

0,1

CROSSREFS

Sequence in context: A117631 A022229 A022260 this_sequence A096556 A038830 A038819

Adjacent sequences: A047986 A047987 A047988 this_sequence A047990 A047991 A047992

KEYWORD

fini,nonn,full

AUTHOR

Carlos B. Rivera F. (crivera(AT)primepuzzles.net)

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 | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified July 8 18:40 EDT 2008. Contains 141013 sequences.


AT&T Labs Research