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!)
A045080 Numbers n with property that in base 4 representation the numbers of 0's and 3's are 3 and 4, respectively. 0
12351, 12495, 12531, 12540, 13071, 13107, 13116, 13251, 13260, 13296, 15375, 15411, 15420, 15555, 15564, 15600, 16131, 16140, 16176, 16320, 16639, 17215, 17359, 17395, 17404, 19519, 19663, 19699, 19708, 20239 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..30.

MATHEMATICA

Select[Range[25000], DigitCount[#, 4, 0]==3&&DigitCount[#, 4, 3]==4&] (* Harvey P. Dale, Jan 28 2013 *)

CROSSREFS

Sequence in context: A077298 A255964 A274247 * A238051 A234919 A183693

Adjacent sequences: A045077 A045078 A045079 * A045081 A045082 A045083

KEYWORD

nonn,base

AUTHOR

Clark Kimberling

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 December 3 15:08 EST 2022. Contains 358534 sequences. (Running on oeis4.)