login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A039084 Numbers n such that representation in base 9 has same number of 1's and 2's. 0
0, 3, 4, 5, 6, 7, 8, 11, 19, 27, 30, 31, 32, 33, 34, 35, 36, 39, 40, 41, 42, 43, 44, 45, 48, 49, 50, 51, 52, 53, 54, 57, 58, 59, 60, 61, 62, 63, 66, 67, 68, 69, 70, 71, 72, 75, 76, 77, 78, 79, 80, 83, 99, 102, 103, 104, 105, 106, 107, 110, 119, 128, 137, 146, 155, 163 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..66.

MATHEMATICA

Select[Range[0, 170], DigitCount[#, 9, 1]==DigitCount[#, 9, 2]&]  (* Harvey P. Dale, Mar 23 2011 *)

CROSSREFS

Sequence in context: A051016 A044951 A138308 * A277641 A085627 A057825

Adjacent sequences:  A039081 A039082 A039083 * A039085 A039086 A039087

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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 9 14:56 EDT 2020. Contains 335543 sequences. (Running on oeis4.)