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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.

User: Connor Halleck-Dube

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

Original entry on oeis.org

1, 27, 1087, 105123, 31562520, 33924554539, 140306938682875
Offset: 3

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Author

Connor Halleck-Dube, Oct 20 2017

Keywords

Comments

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.

Links

Crossrefs

Cf. A000609, A000615, A109456.

Formula

a(n) ~ 2^(n^2 - n log n + O(n)).

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