Some formulas for the central trinomial and Motzkin numbers.
Romik, Dan (2003)
Journal of Integer Sequences [electronic only]
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Romik, Dan (2003)
Journal of Integer Sequences [electronic only]
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Prodinger, Helmut (2009)
Journal of Integer Sequences [electronic only]
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Mező, István (2009)
Journal of Integer Sequences [electronic only]
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Belbachir, Hacène, Bencherif, Farid (2008)
Journal of Integer Sequences [electronic only]
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Prodinger, Helmut (2008)
Journal of Integer Sequences [electronic only]
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Cossali, G.E. (2003)
Journal of Integer Sequences [electronic only]
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Barry, Paul (2009)
Journal of Integer Sequences [electronic only]
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Matthias Schork (2006)
Open Mathematics
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Some aspects of duality triads introduced recently are discussed. In particular, the general solution for the triad polynomials is given. Furthermore, a generalization of the notion of duality triad is proposed and some simple properties of these generalized duality triads are derived.
Berenhaut, Kenneth S., Lund, Robert (2003)
JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
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Gould, H.W., Quaintance, Jocelyn (2008)
Journal of Integer Sequences [electronic only]
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Bender, Edward A., Olde Daalhuis, Adri B., Gao, Zhicheng, Richmond, L.Bruce, Wormald, Nicholas (2010)
The Electronic Journal of Combinatorics [electronic only]
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Bell, Jason P., Bender, Edward A., Cameron, Peter J., Richmond, L.Bruce (2000)
The Electronic Journal of Combinatorics [electronic only]
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Maida, Mylène (2007)
Electronic Journal of Probability [electronic only]
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