Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A057767
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A057767 Number of twin prime pairs between (P(n))^2 and (P(n+1))^2 where P(n)= n-th prime. +0
2
1, 2, 2, 4, 2, 7, 2, 4, 8, 2, 11, 7, 3, 11, 13, 13, 5, 19, 11, 3, 15, 14, 14, 21, 15, 7, 10, 6, 11, 42, 12, 27, 6, 45, 10, 20, 17, 21, 23, 25, 13, 49, 7, 20, 8, 52, 59, 23, 9, 16, 32, 9, 46, 33, 27, 43, 7, 30, 20, 12, 68, 88, 22, 18, 24, 88, 41, 70, 14 (list; graph; listen)
OFFSET

0,2

COMMENT

Conjecture: this sequence is always positive.

CROSSREFS

Adjacent sequences: A057764 A057765 A057766 this_sequence A057768 A057769 A057770

Sequence in context: A124676 A076249 A062170 this_sequence A122977 A003980 A132801

KEYWORD

easy,nonn

AUTHOR

Naohiro Nomoto (6284968128(AT)geocities.co.jp), Oct 31 2000

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 7 14:39 EDT 2008. Contains 144666 sequences.


AT&T Labs Research