Sequence Rank

The position of a rational number in the sequence 1/1, 1/2, 2/1, 1/3, 3/1, 1/4, 2/3, 3/2, 4/1, 1/5, ..., ordered in terms of increasing numerator+denominator.

See also

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Cite this as:

Weisstein, Eric W. "Sequence Rank." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/SequenceRank.html

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