The OEIS is supported by the many generous donors to the OEIS Foundation.

 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 60th year, we have over 367,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”). Other ways to Give
 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A043393 Numbers whose base-7 representation contains exactly one 0. 0
 7, 14, 21, 28, 35, 42, 50, 51, 52, 53, 54, 55, 56, 63, 70, 77, 84, 91, 99, 100, 101, 102, 103, 104, 105, 112, 119, 126, 133, 140, 148, 149, 150, 151, 152, 153, 154, 161, 168, 175, 182, 189, 197, 198, 199, 200, 201, 202, 203, 210 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Table of n, a(n) for n=1..50. MATHEMATICA Select[Range[250], DigitCount[#, 7, 0]==1&] (* Harvey P. Dale, Sep 26 2019 *) CROSSREFS Cf. A007093. Sequence in context: A085130 A080194 A206717 * A028437 A187395 A033019 Adjacent sequences: A043390 A043391 A043392 * A043394 A043395 A043396 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.

Last modified December 7 18:23 EST 2023. Contains 367660 sequences. (Running on oeis4.)