login
This site is supported by donations to The OEIS Foundation.
Logo

Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A093705 Numbers that are divisible by the total number of 1's in the binary expansions of all their divisors. 0
1, 2, 3, 6, 8, 24, 27, 45, 49, 54, 55, 77, 90, 98, 108, 110, 128, 154, 180, 189, 209, 216, 299, 324, 360, 378, 384, 392, 418, 425, 440, 448, 598, 616, 689, 765, 783, 850, 855, 864, 880, 891, 896, 931, 972, 1023, 1040, 1056, 1160, 1188, 1200, 1209, 1215, 1378 (list; graph; refs; listen; history; internal format)
OFFSET

1,2

EXAMPLE

a(5)=8 because the divisors of 8 in binary are: 1, 10, 100, 1000, with four 1's and 8/4=2.

CROSSREFS

Sequence in context: A095895 A051934 A153915 * A187026 A179221 A103964

Adjacent sequences:  A093702 A093703 A093704 * A093706 A093707 A093708

KEYWORD

easy,nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), May 17 2004

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
Recent Additions | More pages | Superseeker | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement .

Last modified February 15 03:59 EST 2012. Contains 205694 sequences.