Discrete Dynamics in Nature and Society
Volume 2009 (2009), Article ID 605313, 6 pages
doi:10.1155/2009/605313
  
     
          
          A Recurrence Formula for D Numbers D2n(2n−1)
          
            Guodong Liu
          
          Department of Mathematics, Huizhou University, Huizhou, Guangdong 516015, China
          
          Abstract
we establish a recurrence formula for D numbers D2n(2n−1). A generating function for D numbers D2n(2n−1) is also presented.