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