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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A270042 a(n) = Smallest m >= 13 containing no sixes when represented in any base from 7 through n. 10
 14, 15, 16, 17, 18, 19, 21, 21, 23, 23, 25, 25, 29, 29, 29, 29, 31, 31, 35, 35, 35, 35, 37, 37, 228, 228, 232, 271, 271, 271, 271, 271, 273, 343, 343, 343, 343, 343, 343, 343, 343, 343, 343, 451, 451, 451, 451, 451, 451, 451, 451, 451, 451, 451, 451, 451, 451, 451, 455, 472, 472, 599 (list; graph; refs; listen; history; text; internal format)
 OFFSET 7,1 COMMENTS It remains to be determined if the sequence is finite. LINKS Nathan Fox, Table of n, a(n) for n = 7..159 MATHEMATICA Table[SelectFirst[Range[13, 10^3], Total@ Map[Function[k, DigitCount[#, k, 6]], Range[7, n]] == 0 &], {n, 7, 68}] /. n_ /; MissingQ@ n -> Nothing (* Michael De Vlieger, Mar 10 2016, Version 10.2 *) CROSSREFS Cf. A270032, A270037, A270038, A216192, A270039, A270040, A270041, A270043, A270044, A270045. Sequence in context: A089838 A297278 A296748 * A332924 A048125 A163482 Adjacent sequences: A270039 A270040 A270041 * A270043 A270044 A270045 KEYWORD nonn,base AUTHOR Nathan Fox, Mar 09 2016 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 April 23 07:16 EDT 2024. Contains 371905 sequences. (Running on oeis4.)