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Title: Proof without words: a Pascal-like triangle with Pell number row sums
Authors: Plaza, Ángel 
UNESCO Clasification: 120504 Teoría elemental de los números
Issue Date: 2017
Journal: College Mathematics Journal 
Abstract: In a Pascal-like triangle, where each entry is the sum of the three numbers above them, we visually prove that the row sums are the Pell numbers, given by a two-step recursion.
ISSN: 0746-8342
DOI: 10.4169/college.math.j.48.5.346
Source: College Mathematics Journal [ISSN 0746-8342], v. 48 (5), p. 346
Appears in Collections:Artículos
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