Question 43
How many positive integers $n \leq 2009$ have the property that $\left\lfloor\log_{2}(n)\right\rfloor$ is odd?
MathNet 2009-part-05 — 172 problems (EN–VI) Question 43
Math Olympiad Vault · MathNet 2009-part-05 — 172 problems (EN–VI)
Math Olympiad Vault · MathNet 2009-part-05 — 172 problems (EN–VI)