The Josephus Problem in Both Directions Masakazu Naito; Toshiyuki Yamauchi; Daisuke Minematsu; Ryohei Miyadera; Kwansei Gakuin — 2010 Visual Mathematics
Pascal like triangles and Sierpinski like gaskets Tomohide Hashiba; Yuta Nakagawa; Toshiyuki Yamauchi; Hiroshi Matsui; Satoshi Hashiba; Daisuke Minematsu; Munetoshi Sakaguchi; Ryohei Miyadera — 2007 Visual Mathematics
Combinatorial Games and Beautiful Graphs Produced by Them Masakazu Naito; Toshiyuki Yamauchi; Hiroshi Matsui; Taishi Inoue; Yuuki Tomari; Koichiro Nishimura; Takuma Nakaoka; Daisuke Minematsu; Ryohei Miyadera — 2009 Visual Mathematics