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A358807 a(n) is the maximal determinant of an n X n symmetric matrix using all the integers from 0 to n*(n + 1)/2 - 1.

%I A358807 #13 Dec 06 2022 09:58:17
%S A358807 1,0,2,86,5911,652189,82173814
%N A358807 a(n) is the maximal determinant of an n X n symmetric matrix using all the integers from 0 to n*(n + 1)/2 - 1.
%e A358807 a(2) = 2:
%e A358807     [1, 0;
%e A358807      0, 2]
%e A358807 a(3) = 86:
%e A358807     [0, 3, 4;
%e A358807      3, 1, 5;
%e A358807      4, 5, 2]
%Y A358807 Cf. A000217, A351148, A351153.
%Y A358807 Cf. A358806 (minimal), A358808 (minimal permanent), A358809 (maximal permanent).
%K A358807 nonn,hard,more
%O A358807 0,3
%A A358807 _Stefano Spezia_, Dec 02 2022