Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A085229
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A085229 Smallest number which is coprime to n and to a(n-1) and not occurring earlier; a(1)=1. +0
3
1, 3, 2, 5, 4, 7, 6, 11, 8, 9, 10, 13, 12, 17, 14, 15, 16, 19, 18, 23, 20, 21, 22, 25, 24, 29, 26, 27, 28, 31, 30, 37, 32, 33, 34, 35, 36, 41, 38, 39, 40, 43, 42, 47, 44, 45, 46, 49, 48, 53, 50, 51, 52, 55, 54, 59, 56, 57, 58, 61, 60, 67, 62, 63, 64, 65, 66, 71, 68 (list; graph; listen)
OFFSET

1,2

COMMENT

Permutation of natural numbers with inverse A085230: a(A085230(n))=A085230(a(n))=n.

LINKS

Index entries for sequences that are permutations of the natural numbers

CROSSREFS

Cf. A079578, A084937.

Cf. A093714.

Sequence in context: A152208 A085230 A093715 this_sequence A093714 A080261 A138310

Adjacent sequences: A085226 A085227 A085228 this_sequence A085230 A085231 A085232

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jun 22 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 17 23:40 EST 2009. Contains 171025 sequences.


AT&T Labs Research