Several months after the end of the ``contest'' described in Section 5, Wilf and Petkovsek [in a paper published in this volume] using the WZ methodology proved in a direct and efficient way the most important special case of (5.1) (namely when z is restricted to a certain class of integers). While this is not the full (5.1), it is nonetheless quite adequate to do the entire evaluation of the Mills-Robbins-Rumsey determinant as presented in Section 7 of [1].
Annotation Form Interface

          Your name: 
     E-Mail address: 
 Annotation Subject: 
        Related URL: