A337651 Volume of the signed Birkhoff polytope BB(n).

2, 64, 328704, 790708092928, 1794509410020706222080

Offset: 1

Author

N. J. A. Sloane, Sep 26 2020

Keywords

• nonn
• more

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.

Crossrefs

Cf. A337650, A337652, A337653.

Formula

a(n) = A337650(n) * 2^(n^2). - Andrei Zabolotskii, Jul 24 2025

Extensions

a(5) from Andrei Zabolotskii, Jul 24 2025