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

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A045085 Numbers whose base-4 representation contains exactly four 0's and four 3's. 0

%I #10 May 21 2023 12:29:55

%S 49215,49359,49395,49404,49935,49971,49980,50115,50124,50160,52239,

%T 52275,52284,52419,52428,52464,52995,53004,53040,53184,61455,61491,

%U 61500,61635,61644,61680,62211,62220,62256,62400

%N Numbers whose base-4 representation contains exactly four 0's and four 3's.

%t Select[Range[65000],DigitCount[#,4,0]==DigitCount[#,4,3]==4&] (* _Harvey P. Dale_, May 02 2014 *)

%Y Cf. A007090.

%K nonn,base

%O 1,1

%A _Clark Kimberling_

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 March 28 20:05 EDT 2024. Contains 371254 sequences. (Running on oeis4.)