Department of Mathematics, Faculty of Engineering, Oita University, Oita 870-1192, Japan
Academic Editor: Laszlo A. Szekely
Copyright © 2010 Teppei Hatono and Chihiro Suetake. This is an open access article distributed under the
Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
The existence of a class regular symmetric transversal design is equivalent to a generalized Hadamard matrix of order over . Let be the number of nonisomorphic 's. It is known that , , , , , , and . In this paper, it is shown that .