OFFSET
0,3
LINKS
Wikipedia, Toeplitz Matrix.
EXAMPLE
a(5) = 15164:
[0, 2, 7, 3, 5]
[2, 0, 2, 7, 3]
[7, 2, 0, 2, 7]
[3, 7, 2, 0, 2]
[5, 3, 7, 2, 0]
MATHEMATICA
a[n_]:=Max[Table[Abs[Det[ToeplitzMatrix[Join[{0}, Part[Permutations[Prime[Range[n-1]]], i]]]]], {i, (n-1)!}]]; Join[{1}, Array[a, 10]]
CROSSREFS
KEYWORD
nonn,hard,more
AUTHOR
Stefano Spezia, Jul 07 2024
EXTENSIONS
a(11) from Giorgos Kalogeropoulos, Jul 12 2024
STATUS
approved