Cody

# Problem 5. Triangle Numbers

• What is Size?
1 – 10 of 25,823

#### Solution 2109887

Submitted 3 hours and 23 minutes ago by Chris Brown

• Size: 16
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#### Solution 2109869

Submitted 3 hours and 50 minutes ago by akshata kamble

• Size: 14
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#### Solution 2109586

Submitted 10 hours and 47 minutes ago by heart

• Size: 17
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#### Solution 2109476

Submitted 13 hours and 59 minutes ago by Tomas Andersen

• Size: 19
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#### Solution 2109377

Submitted 14 hours and 48 minutes ago by Katherine Doty

• Size: 20
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#### Solution 2109375

Submitted 14 hours and 49 minutes ago

• Incorrect
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#### Solution 2109371

Submitted 14 hours and 50 minutes ago

• Incorrect
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#### Solution 2109370

Submitted 14 hours and 51 minutes ago

• Incorrect
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#### Solution 2109369

Submitted 14 hours and 52 minutes ago

• Incorrect