Question

What are triangular numbers

Answer 1

triangular numbers: any of the series of numbers (1, 3, 6, 10, 15, etc.) obtained by continued summation of the natural numbers 1, 2, 3, 4, 5, etc.

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Answer 2

This sequence comes from a pattern of dots that form a triangle:is triangular numbers

simply triangular numbers are any of the series of numbers (1, 3, 6, 10, 15, etc.) 


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