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math.CO2023
Arndt-Carlitz compositions
Helmut Prodinger
Carlitz-compositions follow the restrictions of neighbouring parts . The recently introduced Arndt-compositions have to satisfy . The two concept…
math.CO2023
Motzkin paths of bounded height with two forbidden contiguous subwords of length two
Helmut Prodinger
Motzkin excursions and meanders are revisited. This is considered in the context of forbidden patterns. Previous work by Asinowski, Banderier, Gittenberger, and Roitner is continue…