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A043223 Numbers k such that 0 and 8 occur juxtaposed in the base-10 representation of k but not of k-1. 0
80, 108, 180, 208, 280, 308, 380, 408, 480, 508, 580, 608, 680, 708, 780, 800, 880, 908, 980, 1008, 1080, 1108, 1180, 1208, 1280, 1308, 1380, 1408, 1480, 1508, 1580, 1608, 1680, 1708, 1780, 1800, 1880, 1908, 1980, 2008, 2080 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
MATHEMATICA
SequencePosition[Table[If[SequenceCount[IntegerDigits[n], {0, 8}]>0 || SequenceCount[ IntegerDigits[n], {8, 0}]>0, 1, 0], {n, 2100}], {0, 1}][[All, 2]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jan 21 2017 *)
CROSSREFS
Sequence in context: A143755 A105449 A223084 * A039400 A044003 A062376
KEYWORD
nonn,base
AUTHOR
STATUS
approved

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Last modified February 27 19:16 EST 2024. Contains 370378 sequences. (Running on oeis4.)