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%I #6 Apr 28 2022 13:16:16
%S 1,1,1,4,11236,7536323344,130617712445567321629388176,
%T 22674029183987272821381454688272899049613273568955456
%N Number of lower triangulations of the Koch chain K_s.
%C 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.
%D D. Rutschmann and M. Wettstein, "Chains, Koch Chains, and Point Sets with many Triangulations", 38th International Symposium on Computational Geometry (SOCG 2022), to appear.
%H D. Rutschmann and M. Wettstein, <a href="https://arxiv.org/abs/2203.07584">Chains, Koch Chains, and Point Sets with many Triangulations</a>, arXiv preprint arXiv:2203.07584 [cs.CG], 2022.
%Y Square of A352496(s-1). Cf. A352498.
%K nonn
%O 0,4
%A _Manuel Wettstein_, Mar 18 2022
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