OFFSET
1,4
COMMENTS
The sequence includes polygons of 2-fold, i.e., mirror or rotational, and higher (order >= 4) symmetry.
LINKS
Hugo Pfoertner, Illustration of polygons of perimeter <= 16.
CROSSREFS
KEYWORD
nonn,walk,more
AUTHOR
Hugo Pfoertner, Jun 27 2018
STATUS
approved