Pascal's Triangle(redirected from Khayyam-Pascal triangle)
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Pascal's triangle[pa′skalz ′trī‚aŋ·gəl]
A triangular array of the binomial coefficients, bordered by ones, where the sum of two adjacent entries from a row equals the entry in the next row directly below. Also known as binomial array.
a triangular array of numbers used to obtain binomial coefficients. It was published by B. Pascal.