Abstract
Recently, Benjamin, Plott, and Sellers proved a variety of identities involving sums of Pell numbers combinatorially by interpreting both sides of a given identity as enumerators of certain sets of tilings using white squares, black squares, and gray dominoes. In this article, we state and prove q-analogues of several Pell identities via weighted tilings.
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Briggs, K.S., Little, D.P. & Sellers, J.A. Combinatorial Proofs of Various q-Pell Identities via Tilings. Ann. Comb. 14, 407–418 (2010). https://doi.org/10.1007/s00026-011-0067-8
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DOI: https://doi.org/10.1007/s00026-011-0067-8