Pattern-restricted permutations of small order
classification
🧮 math.CO
keywords
permutationsavoidingcyclesenumerateorderansweringcatalancomposed
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We enumerate 132-avoiding permutations of order 3 in terms of the Catalan and Motzkin generating functions, answering a question of B\'{o}na and Smith from 2019. We also enumerate 231-avoiding permutations that are composed only of 3-cycles, 2-cycles, and fixed points.
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