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Dutch Mathematical Olympiad

Netherlands algebra

Problem

Albert makes a sequence of numbers, the first of which are exactly the numbers through , in some order. To determine each subsequent number, Albert takes the median of the previous numbers. You find the median of numbers by sorting them by size and taking exactly the middle number from that sequence. How many different values can the three thousandth number of Albert's sequence have?
Solution
1
Final answer
1

Techniques

Recurrence relationsInvariants / monovariants