A number triangle is a sequence of numbers written in stacked rows with subsequent rows of increasing length.

See also

Bell Triangle, Bernoulli Triangle, Catalan's Triangle, Clark's Triangle, Euler's Number Triangle, Leibniz Harmonic Triangle, Losanitsch's Triangle, Magog Triangle, Monotone Triangle, Pascal's Triangle, Seidel-Entringer-Arnold Triangle, Sierpiński Sieve, Trinomial Triangle

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Cite this as:

Weisstein, Eric W. "Number Triangle." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/NumberTriangle.html

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