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 A270045 Smallest m >= 19 containing no nines when represented in any base from 10 through n. 11
 20, 21, 22, 23, 24, 25, 26, 27, 28, 30, 30, 32, 32, 34, 34, 36, 36, 38, 38, 40, 40, 44, 44, 44, 44, 46, 46, 50, 50, 50, 50, 52, 52, 56, 56, 56, 56, 58, 58, 62, 62, 62, 62, 68, 68, 68, 68, 68, 68, 70, 70, 76, 76, 76, 76, 76, 76, 80, 80, 80, 80, 82, 82, 88, 88, 88, 88, 88, 88, 840 (list; graph; refs; listen; history; text; internal format)
 OFFSET 10,1 COMMENTS It remains to be determined if the sequence is finite. LINKS Nathan Fox, Table of n, a(n) for n = 10..359 MATHEMATICA Table[SelectFirst[Range[19, 10^3], Total@ Map[Function[k, DigitCount[#, k, 9]], Range[10, n]] == 0 &], {n, 10, 79}] /. n_ /; MissingQ@ n -> Nothing (* Michael De Vlieger, Mar 10 2016, Version 10.2 *) CROSSREFS Cf. A270035, A270037, A270038, A216192, A270039, A270040, A270041, A270042, A270043, A270044. Sequence in context: A008553 A007930 A319678 * A133895 A138602 A346400 Adjacent sequences: A270042 A270043 A270044 * A270046 A270047 A270048 KEYWORD nonn,base AUTHOR Nathan Fox, Mar 09 2016 STATUS approved

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Last modified April 23 18:16 EDT 2024. Contains 371916 sequences. (Running on oeis4.)