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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.
4
1, 0, -4, -110, -5072, -488212, -86577891
OFFSET
0,3
EXAMPLE
a(2) = -4:
[0, 2;
2, 1]
a(3) = -110:
[1, 3, 5;
3, 4, 0;
5, 0, 2]
CROSSREFS
Cf. A358807 (maximal), A358808 (minimal permanent), A358809 (maximal permanent).
Sequence in context: A346277 A201450 A286424 * A358779 A181272 A214107
KEYWORD
sign,hard,more
AUTHOR
Stefano Spezia, Dec 02 2022
STATUS
approved