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A358486
a(n) is the minimal permanent of an n X n matrix using the integers 0 to n^2 - 1.
2
1, 0, 2, 128, 18948, 40179728, 2863042492
OFFSET
0,3
EXAMPLE
a(3) = 128:
[0, 1, 2;
4, 6, 8;
3, 5, 7]
CROSSREFS
Cf. A350565 (integers 1 to n^2), A358487 (maximal).
Sequence in context: A010367 A024344 A012673 * A086190 A024345 A012524
KEYWORD
nonn,hard,more
AUTHOR
Stefano Spezia, Nov 18 2022
EXTENSIONS
a(4)-a(6) from Hugo Pfoertner, Nov 19 2022
STATUS
approved