MathDB
partitioning a board into l-trinominoes

Source: Croatia MO 2001 1st Grade P4

April 22, 2021
combinatorics

Problem Statement

Find all possible values of nn for which a rectangular board 9×n9\times n can be partitioned into tiles of the shape: https://services.artofproblemsolving.com/download.php?id=YXR0YWNobWVudHMvYi8wLzdjM2Y4ZmE0Zjg1YWZlZGEzNTQ1MmEyNTc3ZjJkNzBlMjExYmY1LnBuZw==&rn=U2NyZWVuIFNob3QgMjAyMS0wNC0yMiBhdCA1LjEzLjU3IEFNLnBuZw==