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!)
A044961 Numbers with no two equally numerous base 12 digits. 3
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 26, 39, 52, 65, 78, 91, 104, 117, 130, 143, 144, 145, 156, 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 169, 170, 181, 183, 193, 196, 205, 209, 217, 222, 229, 235, 241, 248, 253, 261 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..1000

MATHEMATICA

nb12Q[n_]:=Module[{c=Select[DigitCount[n, 12], #>0&]}, Length[c] == Length[ Union[c]]]; Select[Range[300], nb12Q] (* Harvey P. Dale, Aug 13 2012 *)

CROSSREFS

Sequence in context: A017904 A143290 A272038 * A044823 A048309 A043715

Adjacent sequences: A044958 A044959 A044960 * A044962 A044963 A044964

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 6 16:00 EST 2022. Contains 358644 sequences. (Running on oeis4.)