Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A077314
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A077314 Primes of the form 2^r*7^s - 1. +0
3
3, 7, 13, 31, 97, 127, 223, 1567, 3583, 4801, 6271, 8191, 19207, 25087, 33613, 76831, 131071, 401407, 524287, 917503, 1229311, 1605631, 3764767, 6588343, 14680063, 184473631, 737894527, 2147483647, 2259801991, 2877292543, 3758096383 (list; graph; listen)
OFFSET

1,1

CROSSREFS

Cf. A023509, A077313.

Adjacent sequences: A077311 A077312 A077313 this_sequence A077315 A077316 A077317

Sequence in context: A119962 A110436 A126879 this_sequence A069246 A087578 A023195

KEYWORD

nonn

AUTHOR

Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 04 2002

EXTENSIONS

Corrected and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Aug 02 2003

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 October 15 09:18 EDT 2008. Contains 145015 sequences.


AT&T Labs Research