Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A100290
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A100290 Numbers divisible by smallest number with same number of 1's in its binary expansion. That is, A038573(a(n)) divides a(n). +0
1
1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 15, 16, 18, 21, 24, 28, 30, 31, 32, 33, 35, 36, 42, 45, 48, 49, 56, 60, 62, 63, 64, 66, 70, 72, 75, 84, 90, 93, 96, 98, 105, 112, 120, 124, 126, 127, 128, 129, 132, 133, 135, 140, 144, 150, 155, 161, 165, 168, 180, 186, 189, 192, 195, 196 (list; graph; listen)
OFFSET

1,2

EXAMPLE

21 is a member since 21 = 10101 base 2, which is divisible by 7 = 111 base 2.

CROSSREFS

Cf. A038573.

Sequence in context: A031998 A023759 A004742 this_sequence A050271 A140181 A038032

Adjacent sequences: A100287 A100288 A100289 this_sequence A100291 A100292 A100293

KEYWORD

base,easy,nonn

AUTHOR

Marc LeBrun (mlb(AT)well.com), Nov 11 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 25 14:45 EST 2009. Contains 167481 sequences.


AT&T Labs Research