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

Author

Stefano Spezia, Dec 02 2022

Keywords

• sign
• hard
• more

Examples

			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).