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A316195
Number of self-avoiding polygons with perimeter 2*n and sides = 1 that have vertex angles from the set +-Pi/5, +-3*Pi/5, not counting rotations and reflections as distinct.
9
0, 0, 2, 1, 18, 45, 441
OFFSET
1,3
COMMENTS
Holes are excluded, i.e., the boundary path may nowhere touch or intersect itself.
CROSSREFS
KEYWORD
nonn,walk,more
AUTHOR
Hugo Pfoertner, Jun 26 2018
STATUS
approved