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!)
A043497 Numbers having one 2 in base 10. 11
2, 12, 20, 21, 23, 24, 25, 26, 27, 28, 29, 32, 42, 52, 62, 72, 82, 92, 102, 112, 120, 121, 123, 124, 125, 126, 127, 128, 129, 132, 142, 152, 162, 172, 182, 192, 200, 201, 203, 204, 205, 206, 207, 208, 209, 210, 211, 213, 214, 215 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
Enrique Pérez Herrero, Table of n, a(n) for n = 1..2000
MATHEMATICA
Select[Range[9000], DigitCount[#, 10, 2]==1&] (* Enrique Pérez Herrero, Nov 29 2013 *)
CROSSREFS
Sequence in context: A174977 A011532 A277964 * A051804 A352262 A121022
KEYWORD
nonn,base,easy
AUTHOR
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 March 28 09:04 EDT 2024. Contains 371240 sequences. (Running on oeis4.)