Continued Fractions and Generalized Patt
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Toufik Mansour
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Article
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2002
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Elsevier Science
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English
β 140 KB
Babson and Steingrimsson (2000, SΓ©minaire Lotharingien de Combinatoire, B44b, 18) introduced generalized permutation patterns that allow the requirement that two adjacent letters in a pattern must be adjacent in the permutation. Let f Ο ;r (n) be the number of 1-3-2-avoiding permutations on n lett