Special Multi-Poly-Bernoulli Numbers
Y. Hamahata and H. Masubuchi 
Department of Mathematics  
Tokyo University of Science 
Noda, Chiba, 278-8510 
Japan 
Abstract:
In this paper we investigate
generalized poly-Bernoulli numbers.
We call them multi-poly-Bernoulli numbers, and
we establish a closed formula
and a duality property for them.
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Received February 24 2007;
revised version received April 13 2007.
Published in Journal of Integer Sequences April 13 2007.
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