Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A065360
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A065360 Alternating sum of "negabits". Replace (-2)^k with (-1)^k in negabinary expansion of n. +0
2
1, 0, 1, 1, 2, -1, 0, 0, 1, 0, 1, 1, 2, 0, 1, 1, 2, 1, 2, 2, 3, -2, -1, -1, 0, -1, 0, 0, 1, -1, 0, 0, 1, 0, 1, 1, 2, -1, 0, 0, 1, 0, 1, 1, 2, 0, 1, 1, 2, 1, 2, 2, 3, -1, 0, 0, 1, 0, 1, 1, 2, 0, 1, 1, 2, 1, 2, 2, 3, 0, 1, 1, 2, 1, 2, 2, 3, 1, 2, 2, 3, 2, 3, 3, 4, -3, -2, -2, -1, -2, -1, -1, 0, -2, -1, -1, 0, -1, 0, 0, 1, -2, -1, -1, 0, -1, 0, 0 (list; graph; listen)
OFFSET

1,5

COMMENT

Notation: (-2)[n](-1)

EXAMPLE

6 = 11010 -> +(1)-(1)+(0)-(1)+(0) = -1 = a(6)

CROSSREFS

A005351, A065359

Sequence in context: A082926 A060564 A031267 this_sequence A101676 A056560 A096608

Adjacent sequences: A065357 A065358 A065359 this_sequence A065361 A065362 A065363

KEYWORD

base,easy,sign

AUTHOR

Marc LeBrun (mlb(AT)well.com), Oct 31 2001

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 August 19 23:53 EDT 2008. Contains 142930 sequences.


AT&T Labs Research