%0 Journal Article
%T On the recursion relation of Motzkin numbers of higher rank
%A Matthias Schork
%J Online Journal of Analytic Combinatorics
%D 2007
%I University of Auckland
%X It is proposed that finding the recursion relation and generating function for the (colored) Motzkin numbers of higher rank introduced recently is an interesting problem.
%U http://analytic-combinatorics.org/index.php/ojac/article/view/13