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A352497
Number of lower triangulations of the Koch chain K_s.
2
1, 1, 1, 4, 11236, 7536323344, 130617712445567321629388176, 22674029183987272821381454688272899049613273568955456
OFFSET
0,4
COMMENTS
The Koch chain K_s is a sequence of 2^s+1 points which form an x-monotone chain of unavoidable edges in the plane with the same combinatorial structure as the fractal Koch curve.
REFERENCES
D. Rutschmann and M. Wettstein, "Chains, Koch Chains, and Point Sets with many Triangulations", 38th International Symposium on Computational Geometry (SOCG 2022), to appear.
LINKS
D. Rutschmann and M. Wettstein, Chains, Koch Chains, and Point Sets with many Triangulations, arXiv preprint arXiv:2203.07584 [cs.CG], 2022.
CROSSREFS
Square of A352496(s-1). Cf. A352498.
Sequence in context: A257281 A201392 A058417 * A191592 A261821 A151587
KEYWORD
nonn
AUTHOR
Manuel Wettstein, Mar 18 2022
STATUS
approved