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!)
A023730 Numbers with a single 2 in their base 5 expansion. 2
2, 7, 10, 11, 13, 14, 17, 22, 27, 32, 35, 36, 38, 39, 42, 47, 50, 51, 53, 54, 55, 56, 58, 59, 65, 66, 68, 69, 70, 71, 73, 74, 77, 82, 85, 86, 88, 89, 92, 97, 102, 107, 110, 111, 113, 114, 117, 122, 127, 132, 135, 136, 138, 139, 142, 147 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
Select[ Range[ 150 ], (Count[ IntegerDigits[ #, 5 ], 2 ]==1)& ]
Select[Range[200], DigitCount[#, 5, 2]==1&] (* Harvey P. Dale, Sep 23 2023 *)
CROSSREFS
Sequence in context: A362861 A194421 A043357 * A045281 A050596 A045266
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 July 15 02:08 EDT 2024. Contains 374323 sequences. (Running on oeis4.)