OPM 2011 Problem 6
- Final day 2
The number can be written as the sum of consecutive natural numbers: Determines all natural numbers that cannot be written as the sum of two or more consecutive natural numbers .
Dataset text AI-MO AoPS. Quoted with source.
Official text: Portuguese Mathematical Olympiad 2011 official paper, page 1.
Solutions
No solution is on olymmath yet. Official and human solutions come first when they arrive. AI solutions come after them, with a label.
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