Geodesic
Combinatorial interpretations of the Kreweras triangle in terms of subset tuples
Ange Bigeni1
1National Research University Higher School of Economics
The electronic journal of combinatorics, Tome 25 (2018) no. 4
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We show how the combinatorial interpretation of the normalized median Genocchi numbers in terms of multiset tuples, defined by Hetyei in his study of the alternation acyclic tournaments, is bijectively equivalent to previous models like the normalized Dumont permutations or the Dellac configurations, and we extend the interpretation to the Kreweras triangle.
DOI : 10.37236/7531
Classification : 05A05, 05A15, 05A19
Mots-clés : Genocchi numbers, Kreweras triangle, Dumont permutations, Dellac configurations

Ange Bigeni  1

1 National Research University Higher School of Economics 
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Ange Bigeni. Combinatorial interpretations of the Kreweras triangle in terms of subset tuples. The electronic journal of combinatorics, Tome 25 (2018) no. 4. doi: 10.37236/7531

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