 Triangle Numbers
The triangle numbers, also named triangle numbers are positive integers, where n is a positive integer. Number 6 is a triangle number, because the amount indicated by the triangle 's points can be formed by a triangle-shaped plane pattern.
n (n + 1) => 3 (3 +1) = 6 *
2 2 * *
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1 3 6 10
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Triangle Numbers in Pascal's Triangle
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