login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A043457 Numbers n such that number of 1's in base 9 is 1. 1
1, 9, 11, 12, 13, 14, 15, 16, 17, 19, 28, 37, 46, 55, 64, 73, 81, 83, 84, 85, 86, 87, 88, 89, 99, 101, 102, 103, 104, 105, 106, 107, 108, 110, 111, 112, 113, 114, 115, 116, 117, 119, 120, 121, 122, 123, 124, 125, 126, 128, 129, 130 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

LINKS

Table of n, a(n) for n=1..52.

MATHEMATICA

Select[Range[150], DigitCount[#, 9, 1]==1&] (* Harvey P. Dale, Aug 15 2011 *)

CROSSREFS

Sequence in context: A043698 A031954 A043631 * A202707 A031078 A216292

Adjacent sequences:  A043454 A043455 A043456 * A043458 A043459 A043460

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 18 22:17 EDT 2018. Contains 313840 sequences. (Running on oeis4.)