Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A087012
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A087012 Numbers n such that the number of primes of form 4n+1 between n and 2n equals the number of primes of form 4n+3 between n and 2n (inclusive). +0
3
1, 3, 4, 5, 8, 10, 11, 12, 13, 15, 20, 22, 23, 24, 25, 26, 31, 34, 35, 37, 49, 50, 52, 53, 57, 58, 59, 62, 63, 69, 72, 73, 75, 79, 82, 83, 84, 85, 86, 91, 92, 93, 94, 95, 97, 99, 141, 147, 148, 149, 152, 153, 164, 165, 168, 175, 176, 182, 183, 187, 188, 189, 200, 244, 245 (list; graph; listen)
OFFSET

1,2

CROSSREFS

Cf. A035250, A087010, A087011.

Sequence in context: A066906 A125884 A001602 this_sequence A047366 A117483 A028288

Adjacent sequences: A087009 A087010 A087011 this_sequence A087013 A087014 A087015

KEYWORD

nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Jul 30 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 December 11 12:57 EST 2009. Contains 170656 sequences.


AT&T Labs Research