login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 59th year, we have over 358,000 sequences, and we’ve crossed 10,300 citations (which often say “discovered thanks to the OEIS”).

Other ways to Give
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A039275 Numbers whose base-3 representation has the same nonzero number of 0's and 1's. 1
3, 11, 15, 19, 21, 28, 30, 35, 36, 47, 51, 59, 61, 65, 69, 73, 75, 86, 88, 92, 96, 100, 102, 107, 110, 114, 126, 136, 138, 143, 144, 155, 159, 166, 172, 174, 179, 185, 187, 190, 192, 197, 198, 209, 213, 221, 223, 227, 231, 235, 237, 247, 253, 255, 260, 266 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..56.

MATHEMATICA

Select[Range[300], DigitCount[#, 3, 1]==DigitCount[#, 3, 0]>0&] (* Harvey P. Dale, Mar 09 2014 *)

CROSSREFS

Cf. A007089.

Sequence in context: A358226 A030715 A056247 * A044971 A106374 A075330

Adjacent sequences: A039272 A039273 A039274 * A039276 A039277 A039278

KEYWORD

nonn,base,easy

AUTHOR

Olivier Gérard

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 26 14:22 EST 2022. Contains 358362 sequences. (Running on oeis4.)