OFFSET
0,3
LINKS
Wikipedia, Toeplitz Matrix.
EXAMPLE
a(5) = -12167:
[1, 2, 7, 3, 5]
[2, 1, 2, 7, 3]
[7, 2, 1, 2, 7]
[3, 7, 2, 1, 2]
[5, 3, 7, 2, 1]
MATHEMATICA
a[n_]:=Min[Table[Det[ToeplitzMatrix[Join[{1}, Part[Permutations[Prime[Range[n-1]]], i]]]], {i, (n-1)!}]]; Join[{1}, Array[a, 10]]
CROSSREFS
KEYWORD
sign,hard,more
AUTHOR
Stefano Spezia, Jul 05 2024
STATUS
approved