Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A076877
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A076877 A020330(n) / n. +0
9
3, 5, 5, 9, 9, 9, 9, 17, 17, 17, 17, 17, 17, 17, 17, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 65, 129, 129, 129, 129, 129, 129 (list; graph; listen)
OFFSET

1,1

LINKS

R. Stephan, Some divide-and-conquer sequences ...

R. Stephan, Table of generating functions

FORMULA

a(n) = 1 + 2^(1+Log2(n)), with Log2 = A000523.

EXAMPLE

12->'1100'->'1100'1100'='11001100'->204=A020330(12): a(12)=A020330(12)/12=204/12=17.

CROSSREFS

Equals 1+2*A053644(n) and A062383(n)+1.

Sequence in context: A029639 A087349 A090792 this_sequence A120841 A145282 A049757

Adjacent sequences: A076874 A076875 A076876 this_sequence A076878 A076879 A076880

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Nov 25 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 25 20:09 EST 2009. Contains 167514 sequences.


AT&T Labs Research