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A316192
Number of self-avoiding polygons with perimeter n and sides = 1 that have vertex angles from the set 0, +-Pi/6, +-*Pi/3, +-Pi/2, +-2*Pi/3, +-5*Pi/6, not counting rotations and reflections as distinct.
4
0, 0, 1, 3, 4, 22, 69, 418, 2210, 14024
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