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A076940
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Define a mapping for a reduced rational number p/q by f(p/q) = 1 followed by p zeros followed by a 1 followed by q zeros.
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1
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1010, 10100, 101000, 1001000, 10100000, 100100000, 1000100000, 1010000000, 10010000000, 100010000000, 10000010000000, 10100000000, 1010000, 1000100000000, 100000100000000, 10000000100000000
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OFFSET
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1,1
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COMMENTS
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This gives another proof that rational numbers are countable.
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LINKS
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FORMULA
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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