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URL: https://oeis.org/A368354

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A368354

a(n) is the maximal determinant of an n X n Hankel matrix using the integers 0 to 2*(n - 1).

3

1, 0, 2, 31, 1781, 58180

(list; graph; refs; listen; history; text; internal format)

OFFSET

0,3

COMMENTS

a(6) >= 2189560.

LINKS

Table of n, a(n) for n=0..5.

Wikipedia, Hankel matrix.

EXAMPLE

a(2) = 2:

2, 0;

0, 1.

a(3) = 31:

1, 4, 2;

4, 2, 3;

2, 3, 0.

a(4) = 1781:

1, 2, 5, 6;

2, 5, 6, 0;

5, 6, 0, 4;

6, 0, 4, 3.

CROSSREFS

Cf. A368353 (minimal), A368355 (maximal absolute value).

Cf. A358569 (minimal permanent), A358570 (maximal permanent).

Sequence in context: A246969 A358567 A134646 * A197320 A239332 A350940

Adjacent sequences: A368351 A368352 A368353 * A368355 A368356 A368357

KEYWORD

nonn,hard,more

AUTHOR

Stefano Spezia, Dec 22 2023

STATUS

approved