A337650 Volume of the positive signed Birkhoff polytope BB_{+}(n).

1, 4, 642, 12065248, 53480547965190

Offset: 1

Author

N. J. A. Sloane, Sep 26 2020

Keywords

• nonn
• more

Links

• Dylan Heuer and Jessica Striker, Partial Permutation and Alternating Sign Matrix Polytopes, SIAM Journal on Discrete Mathematics, 36 (2022), 2863-2888; arXiv:2012.09901 [math.CO], 2020-2022. See the diagonal of the table in Fig. 1.
• 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. A037302, A337651, A337652, A337653.

Extensions

a(5) from Heuer and Striker added by Andrei Zabolotskii, Jul 23 2025