Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A108331
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A108331 Integers n such that 10^n-87 is prime. +0
3
2, 1800, 2368 (list; graph; listen)
OFFSET

1,1

COMMENT

Some of the larger entries may only correspond to probable primes.

EXAMPLE

n = 2 is a member because: 10^2-87 = 100-87 = 13, which is prime.

CROSSREFS

Cf. A089675, A095714, A092767.

Sequence in context: A129061 A011541 A080642 this_sequence A113917 A125635 A124361

Adjacent sequences: A108328 A108329 A108330 this_sequence A108332 A108333 A108334

KEYWORD

hard,more,nonn,bref

AUTHOR

Julien Peter Benney (jpbenney(AT)ftml.net), Jun 30 2005

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 25 07:41 EDT 2008. Contains 142293 sequences.


AT&T Labs Research