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A044799
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Numbers n such that string 8,6 occurs in the base 10 representation of n but not of n+1.
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0
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86, 186, 286, 386, 486, 586, 686, 786, 869, 886, 986, 1086, 1186, 1286, 1386, 1486, 1586, 1686, 1786, 1869, 1886, 1986, 2086, 2186, 2286, 2386, 2486, 2586, 2686, 2786, 2869, 2886, 2986, 3086, 3186, 3286, 3386, 3486, 3586
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OFFSET
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1,1
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LINKS
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MATHEMATICA
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SequencePosition[Table[If[SequenceCount[IntegerDigits[n], {8, 6}]>0, 1, 0], {n, 4000}], {1, 0}][[All, 1]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Feb 03 2017 *)
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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STATUS
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approved
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