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A096390
Maximal determinant of an n X n persymmetric matrix with entries from {0,1}.
0
1, 1, 1, 3, 5, 9, 17, 56, 125, 312, 675, 2673
OFFSET
1,4
COMMENTS
A persymmetric (or Hankel) matrix has M[i,j] = M[i-k,j+k] for all i and j (matrix is constant along antidiagonals).
CROSSREFS
Cf. A034918.
Sequence in context: A217097 A298590 A262451 * A092264 A135729 A118330
KEYWORD
nonn,hard,more
AUTHOR
John W. Layman, Aug 10 2004
EXTENSIONS
a(9)-a(12) from Max Alekseyev, Jun 16 2008
STATUS
approved