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A337651
Volume of the signed Birkhoff polytope BB(n).
3
2, 64, 328704, 790708092928, 1794509410020706222080
OFFSET
1,1
LINKS
Florian Kohl, McCabe Olsen, and Raman Sanyal, Unconditional reflexive polytopes, arXiv:1906.01469 [math.CO], 2019. Also Discrete and Computational Geom., 64:2 (2020), 427-452.
FORMULA
a(n) = A337650(n) * 2^(n^2). - Andrei Zabolotskii, Jul 24 2025
CROSSREFS
KEYWORD
nonn,more
AUTHOR
N. J. A. Sloane, Sep 26 2020
EXTENSIONS
a(5) from Andrei Zabolotskii, Jul 24 2025
STATUS
approved