Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A141297
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A141297 a(n) = number of distinct (nonempty) substrings in the binary representation of n. +0
4
1, 3, 2, 5, 5, 5, 3, 7, 8, 7, 8, 8, 8, 7, 4, 9, 11, 11, 12, 11, 9, 11, 11, 11, 12, 11, 11, 11, 11, 9, 5, 11, 14, 15, 16, 14, 15, 16, 16, 15, 15, 11, 14, 16, 14, 15, 14, 14, 16, 16, 16, 16, 14, 14, 15, 15, 16, 15, 15, 14, 14, 11, 6, 13, 17, 19, 20, 19, 20, 21, 21, 19, 17, 19, 21, 20, 21 (list; graph; listen)
OFFSET

1,2

COMMENT

Substrings may start with a 0.

The terms were calculated by Richard Mathar.

EXAMPLE

The distinct substrings in binary representation (1010) of decimal 10 are 0,1,10,01,101,010,1010. So a(10) = 7.

CROSSREFS

Cf. A141298, A141299, A141300, A122953.

Adjacent sequences: A141294 A141295 A141296 this_sequence A141298 A141299 A141300

Sequence in context: A127703 A127738 A001598 this_sequence A059319 A019828 A115207

KEYWORD

nonn

AUTHOR

Leroy Quet (qq-quet(AT)mindspring.com), Jun 24 2008

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 October 7 14:39 EDT 2008. Contains 144666 sequences.


AT&T Labs Research