A358806 a(n) is the minimal determinant of an n X n symmetric matrix using all the integers from 0 to n*(n + 1)/2 - 1.

1, 0, -4, -110, -5072, -488212, -86577891

Offset

0,3

Links

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

Example

a(2) = -4:
    [0, 2;
     2, 1]
a(3) = -110:
    [1, 3, 5;
     3, 4, 0;
     5, 0, 2]

Crossrefs

Cf. A000217, A351147, A351153.

Cf. A358807 (maximal), A358808 (minimal permanent), A358809 (maximal permanent).

Sequence in context: A346277 A201450 A286424 * A358779 A181272 A214107

Adjacent sequences: A358803 A358804 A358805 * A358807 A358808 A358809

Keyword

sign,hard,more

Author

Stefano Spezia, Dec 02 2022

Status

approved