olymmath

KöMaL 2017 B4892

    Two players, First and Second, play the following game: they place 2017 pebbles on the table. First starts by removing 1 pebble. Then Second may choose to remove either 1 or 2. Then First may remove 1, 2, 3 or 4. Then Second may remove any number from 1 to 8. And so on, the player in the iith step needs to remove at least 1 and at most 2i−12^{i-1} pebbles. The player removing the last pebble from the table wins the game. Who has a winning strategy?

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