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A044545
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Numbers n such that string 3,5 occurs in the base 7 representation of n but not of n+1.
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1
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26, 75, 124, 173, 188, 222, 271, 320, 369, 418, 467, 516, 531, 565, 614, 663, 712, 761, 810, 859, 874, 908, 957, 1006, 1055, 1104, 1153, 1202, 1217, 1251, 1322, 1349, 1398, 1447, 1496, 1545, 1560, 1594, 1643, 1692, 1741, 1790
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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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Flatten[Position[Partition[If[MemberQ[Partition[IntegerDigits[#, 7], 2, 1], {3, 5}], 1, 0]&/@Range[2000], 2, 1], _?(#=={1, 0}&)]] (* Harvey P. Dale, Jul 09 2014 *)
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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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