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A044739
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Numbers n such that string 2,6 occurs in the base 10 representation of n but not of n+1.
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0
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26, 126, 226, 269, 326, 426, 526, 626, 726, 826, 926, 1026, 1126, 1226, 1269, 1326, 1426, 1526, 1626, 1726, 1826, 1926, 2026, 2126, 2226, 2269, 2326, 2426, 2526, 2699, 2726, 2826, 2926, 3026, 3126, 3226, 3269, 3326, 3426
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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], {2, 6}]>0, 1, 0], {n, 3500}], {1, 0}][[All, 1]] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Jul 04 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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