In the Tower of Hanoi problem with 3 rods (1, 2 & 3), the goal is to move a tower of disks from rod #1 to rod #2. 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 number of moves necessary to solve the problem.

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Last Solution submitted on Jul 17, 2026

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