This seems like something that should be trivial but I am having trouble showing it.
Can every even natural number n be written as $\sum^N_{i=1}2^i\cdot f(i)$, where $f(i)$ is either zero or one?
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combinatorics
elementary-number-theory
computer-science
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5Try googling "binary representation". That's all this is. – 2011-11-04
1 Answers
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Can you write an integer in binary?