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A044418
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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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86, 186, 286, 386, 486, 586, 686, 786, 860, 886, 986, 1086, 1186, 1286, 1386, 1486, 1586, 1686, 1786, 1860, 1886, 1986, 2086, 2186, 2286, 2386, 2486, 2586, 2686, 2786, 2860, 2886, 2986, 3086, 3186, 3286, 3386, 3486, 3586
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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MATHEMATICA
| Select[Range[4000], MemberQ[Partition[IntegerDigits[#], 2, 1], {8, 6}]&& !MemberQ[Partition[IntegerDigits[#-1], 2, 1], {8, 6}]&] (* From Harvey P. Dale, Oct 02 2011 *)
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CROSSREFS
| Sequence in context: A044256 A044637 A063353 * A044799 A202532 A202525
Adjacent sequences: A044415 A044416 A044417 * A044419 A044420 A044421
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KEYWORD
| nonn,base
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AUTHOR
| Clark Kimberling (ck6(AT)evansville.edu)
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