OFFSET
1,2
LINKS
Lars Blomberg, Scott R. Shannon, N. J. A. Sloane, Graphical Enumeration and Stained Glass Windows, 1: Rectangular Grids, (2021). Also arXiv:2009.07918.
Scott R. Shannon, Illustration for n = 4.
Scott R. Shannon, Illustration for n = 5.
Scott R. Shannon, Illustration for n = 10.
Scott R. Shannon, Illustration for n = 11.
FORMULA
CROSSREFS
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Feb 11 2020
STATUS
approved