\BOOKMARK [1][-]{section.1}{Motivation}{}% 1
\BOOKMARK [1][-]{section.2}{A multidimensional polynomial sequence}{}% 2
\BOOKMARK [1][-]{section.3}{Connection-like identities}{}% 3
\BOOKMARK [1][-]{section.4}{A family of Pascal trapezoids}{}% 4
\BOOKMARK [1][-]{section.5}{Acknowledgments}{}% 5