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math.CO2025
Partial Deranged Bell Numbers and Their Combinatorial Properties
Yahia Djemmada, Levent Kargın, Mümün Can
We introduce a novel generalization of deranged Bell numbers by defining the partial deranged Bell numbers , which count the number of set partitions of …
math.CO2020★ 2 cited
Formulas for sums of powers of integers and their reciprocals
Levent Kargın, Ayhan Dil, Mümün Can
This paper gives new explicit formulas for sums of powers of integers and their reciprocals.