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A175928
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Number of bases in which the concatenation of the consecutive increasing integers 1...n is greater than the concatenation of consecutive decreasing integers n...1 in the same base.
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0
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1, 1, 3, 3, 4, 3, 4, 5, 5, 5, 5, 5, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 5, 5, 5, 5, 5, 6, 6, 6, 6, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 7, 7, 7, 7
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OFFSET
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2,3
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LINKS
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MATHEMATICA
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Table[Count[ Table[Negative[FromDigits[Flatten[IntegerDigits[Reverse[Range[x]], ba]], \ ba] - FromDigits[Flatten[IntegerDigits[Range[x], ba]], ba]], {ba, 2, x + 1}], True], {x, 1, 200}]
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CROSSREFS
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KEYWORD
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base,nonn
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AUTHOR
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STATUS
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approved
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