with 3 rods (1,2 & 3), the goal is to move a tower of n disks from rod #1 to rod #3. You can move disks only one by one, on the rods. You can't put a disk on a smaller one.

At the beginning, all disks are on rod #1, biggest at the bottom, smallest at the top.

Give the smallest sequence of unused rods for a n disks Hanoi tower problem.

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Last Solution submitted on Apr 21, 2026

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