Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A075862
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A075862 Numbers n such that the least k such that (n-k) divides (n+k) is prime. +0
1
4, 5, 6, 7, 9, 10, 13, 14, 15, 19, 21, 22, 26, 31, 33, 34, 38, 39, 43, 46, 51, 57, 58, 61, 62, 69, 73, 74, 82, 86, 87, 93, 94, 103, 106, 109, 111, 118, 122, 123, 129, 134, 139, 141, 142, 146, 151, 158, 159, 166, 177, 178, 181, 183, 193, 194, 199, 201, 202, 206, 213 (list; graph; listen)
OFFSET

1,1

FORMULA

a(n) seems to be asymptotic to n*log(n) and a(n)<prime(n) for n>3

CROSSREFS

Sequence in context: A066485 A079445 A120173 this_sequence A088685 A022299 A099049

Adjacent sequences: A075859 A075860 A075861 this_sequence A075863 A075864 A075865

KEYWORD

nonn

AUTHOR

Benoit Cloitre (benoit7848c(AT)orange.fr), Oct 15 2002

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 November 27 22:38 EST 2009. Contains 167602 sequences.


AT&T Labs Research