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The first six triangular numbers are : 1,3,6,10,15,21.

However, sometimes the first triangular number is regarded as 0 (zero) so you then have 0,1,3,6,10,15 as the first six triangular numbers.

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โˆ™ 2015-06-08 01:19:31
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A polynomial of degree zero is a constant term

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Q: What are the first 6 triangle numbers?
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