A337652 -id:A337652 - cp's OEIS frontend

Showing 1-3 of 3 results.

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

Original entry on oeis.org

1, 4, 642, 12065248, 53480547965190

Offset: 1

N. J. A. Sloane, Sep 26 2020

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.

Cf. A037302, A337651, A337652, A337653.

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

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

Original entry on oeis.org

2, 64, 328704, 790708092928, 1794509410020706222080

Offset: 1

N. J. A. Sloane, Sep 26 2020

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.

Cf. A337650, A337652, A337653.

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

a(5) from Andrei Zabolotskii, Jul 24 2025

A337653 Volume of the dual signed Birkhoff polytope C(n).

Original entry on oeis.org

2, 96, 328704, 156581756928, 16988273098107125760

Offset: 1

N. J. A. Sloane, Sep 26 2020

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.

Cf. A337650, A337651, A337652.

a(n) = A337652(n) * 2^(n^2). - Andrei Zabolotskii, Jul 24 2025

Showing 1-3 of 3 results.