A358569 a(n) is the minimal permanent of an n X n Toeplitz matrix using the integers 0 to 2*(n - 1).

1, 0, 1, 16, 451, 17376, 1022546

Offset

0,4

Comments

Also minimal permanent of an n X n Hankel matrix using the integers 0 to 2*(n - 1). - Stefano Spezia, Dec 22 2023

Links

Table of n, a(n) for n=0..6.

Lucas A. Brown, Sage program.

Wikipedia, Toeplitz Matrix

Example

a(2) = 1:
    [1, 0;
     2, 1]
a(3) = 16:
    [0, 1, 3;
     2, 0, 1;
     4, 2, 0]

Crossrefs

Cf. A350937 (integers from 1 to 2*n - 1), A358567 (minimal determinant), A358568 (maximal determinant), A358570 (maximal).

Sequence in context: A229583 A241077 A318937 * A368772 A253446 A159646

Adjacent sequences: A358566 A358567 A358568 * A358570 A358571 A358572

Keyword

nonn,hard,more

Author

Stefano Spezia, Nov 22 2022

Extensions

a(5)-a(6) from Lucas A. Brown, Dec 03 2022

Status

approved