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A043223
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Numbers k such that 0 and 8 occur juxtaposed in the base-10 representation of k but not of k-1.
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0
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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
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OFFSET
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1,1
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LINKS
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Table of n, a(n) for n=1..41.
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MATHEMATICA
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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 *)
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CROSSREFS
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Sequence in context: A143755 A105449 A223084 * A039400 A044003 A062376
Adjacent sequences: A043220 A043221 A043222 * A043224 A043225 A043226
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KEYWORD
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nonn,base
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AUTHOR
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Clark Kimberling
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STATUS
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approved
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