login
A316200
Number of self-avoiding polygons with perimeter n and sides = 1 that have vertex angles from the set 0, +-Pi/5, +-2*Pi/5, +-3*Pi/5, +-4*Pi/5, not counting rotations and reflections as distinct.
4
0, 0, 0, 2, 2, 10, 15, 124, 352, 2378, 19405
OFFSET
1,4
COMMENTS
Holes are excluded, i.e., the boundary path may nowhere touch or intersect itself.
KEYWORD
nonn,walk,more
AUTHOR
Hugo Pfoertner, Jul 07 2018
STATUS
approved