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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A099248 Numbers such that length in binary representation and number of ones have a common divisor greater than 1. 3
3, 7, 9, 10, 12, 15, 31, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 48, 49, 50, 51, 52, 53, 54, 56, 57, 58, 60, 63, 127, 129, 130, 132, 135, 136, 139, 141, 142, 144, 147, 149, 150, 153, 154, 156, 159, 160, 163, 165, 166, 169, 170, 172, 175, 177, 178, 180 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

A099244(a(n)) > 1; complement of A099247.

LINKS

R. Zumkeller, Table of n, a(n) for n = 1..10000 (first 1810 terms from Diana Mecum)

Index entries for sequences related to binary expansion of n

PROG

(Haskell)

a099248 n = a099248_list !! (n-1)

a099248_list = filter ((> 1) . a099244) [1..]

-- Reinhard Zumkeller, Oct 10 2013

CROSSREFS

Cf. A070939, A000120, A007088.

Sequence in context: A081339 A063551 A160800 * A082575 A284526 A294571

Adjacent sequences:  A099245 A099246 A099247 * A099249 A099250 A099251

KEYWORD

nonn

AUTHOR

Reinhard Zumkeller, Oct 08 2004

EXTENSIONS

Corrected by Leroy Quet, Sep 04 2008

Added terms a(34) - a(1810) Diana L. Mecum, Jan 04 2009

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 13 19:25 EST 2018. Contains 317149 sequences. (Running on oeis4.)