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math.CO2020★ 2 cited
Combinatorial proof of an identity on Genocchi numbers
Beáta Bényi, Matthieu Josuat-Vergès
In this note we present a combinatorial proof of an identity involving poly-Bernoulli numbers and Genocchi numbers. We introduce the combinatorial objects, barred Callan sequen…
math.CO2020★ 1 cited
On the combinatorics of symmetrized poly-Bernoulli numbers
Beáta Bényi, Toshiki Matsusaka
In this paper we introduce three combinatorial models for symmetrized poly-Bernoulli numbers. Based on our models we derive generalizations of some identities for poly-Bernoulli nu…