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Rectangular numbers are of the form n(n+1) for n = 1, 2, 3, 4, 5, 6, ...

The first few rectangular numbers are: 2, 6, 12, 20, 30, 42, ...
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Q: What is the formula of rectangular numbers?
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Related questions

What is the Nth term formula for rectangular numbers?

There is no such formula. Rectangular numbers are composite numbers and there is no known formula that will generate either composite numbers or prime numbers.


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