function mapping odd numbers to counting numbers

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http://ift.tt/eA8V8J

Without introducing any other variable: i = 0, 2, 4, 6, . . . if i > 0: count = i/2. what about odd numbers? i = 1, 3, 4, 5, . . . if i > 1: count = ? linear-algebra ...

from Algebra

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