On the Enumeration of Chequered Tilings in Polygons

Hiroaki Hamanaka, Takashi Horiyama and Ryuhei Uehara
Proceedings of Bridges 2017: Mathematics, Art, Music, Architecture, Education, Culture
Pages 423–426 Short Papers


The Tokyo 2020 Olympic and Paralympic games emblems, called ‘harmonized chequered emblems,’ are designed with three kinds of rectangles. We enumerate all such tilings in a dodecagon with a hole.