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The ninth term!

Number Theory Level pending

Observe this series carefully!

2,18,192,2500,..

Now its simple, just calculate the 9th term of the series above!

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Excel in math and science

Master concepts by solving fun, challenging problems.

It's hard to learn from lectures and videos

Learn more effectively through short, interactive explorations.

Used and loved by over 5 million people

Learn from a vibrant community of students and enthusiasts,
including olympiad champions, researchers, and professionals.

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by Prateek Mehra

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