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· rec-2
Recursive Sequences · Tiling recurrences
AIME style
●●●●○ 7/10
~5 min
⏱ 0:00
How many ways can a
2
×
10
2 \times 10
2
×
10
rectangle be tiled by
1
×
2
1 \times 2
1
×
2
dominoes?
tiling
fibonacci
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Hint 1 of 3
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