cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A290946 Number of chambers of Hassett's decomposition of the weight domain of the moduli space of genus 0 n-pointed curves.

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%I A290946 #16 Oct 20 2017 15:51:06
%S A290946 1,27,1087,105123,31562520,33924554539,140306938682875
%N A290946 Number of chambers of Hassett's decomposition of the weight domain of the moduli space of genus 0 n-pointed curves.
%C A290946 a(n) is also the number of goldilocks linear threshold functions on n variables. Asymptotically equal to the total number of linear threshold functions on n variables, divided by 2^n.
%H A290946 K. Ascher, C. Dube, D. Gershenson, E. Hou, <a href="https://arxiv.org/abs/1709.03663">Enumerating Hassett's wall and chamber decomposition of the moduli space of weighted stable curves</a>, arXiv:1709.03663 [math.AG], 2017.
%F A290946 a(n) ~ 2^(n^2 - n log n + O(n)).
%Y A290946 Cf. A000609, A000615, A109456.
%K A290946 nonn,hard,more
%O A290946 3,2
%A A290946 _Connor Halleck-Dube_, Oct 20 2017