Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A099258
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A099258 Inverse of A099257. +0
4
1, 3, 2, 4, 6, 7, 8, 9, 5, 10, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 11, 22, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 23, 46, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67, 68, 69, 70, 71, 72, 73 (list; graph; listen)
OFFSET

1,2

COMMENT

Permutation of the natural numbers;

a(A033484(n)) = A033484(n);

a(A033484(n) - 1) = A033484(n)/2 = A055010(n).

LINKS

Index entries for sequences that are permutations of the natural numbers

FORMULA

a(n) = if n = 3*2^k - 2 then n else (if n = 3*2^k - 3 then (n + 1)/2 else n + 1).

CROSSREFS

Sequence in context: A078824 A014685 A021312 this_sequence A105746 A166309 A114651

Adjacent sequences: A099255 A099256 A099257 this_sequence A099259 A099260 A099261

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Oct 09 2004

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 14:50 EST 2009. Contains 167570 sequences.


AT&T Labs Research