A337653 -id:A337653 - 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

A337652 Volume of the positive dual signed Birkhoff polytope C_{+}(n).

Original entry on oeis.org

1, 6, 642, 2389248, 506289991680

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, A337653.

Showing 1-3 of 3 results.