OFFSET
1,1
LINKS
RĂ¼diger Zeller, Olaf Delgado Friedrichs, Daniel H. Huson, Tegula, exploring a galaxy of two-dimensional periodic tilings, arXiv:2007.10625 [math.CO]
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Jul 31 2020
STATUS
approved