cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-3 of 3 results.

A358569 a(n) is the minimal permanent of an n X n Toeplitz matrix using the integers 0 to 2*(n - 1).

Original entry on oeis.org

1, 0, 1, 16, 451, 17376, 1022546
Offset: 0

Views

Author

Stefano Spezia, Nov 22 2022

Keywords

Comments

Also minimal permanent of an n X n Hankel matrix using the integers 0 to 2*(n - 1). - Stefano Spezia, Dec 22 2023

Examples

			a(2) = 1:
    [1, 0;
     2, 1]
a(3) = 16:
    [0, 1, 3;
     2, 0, 1;
     4, 2, 0]

Links

Crossrefs

Cf. A350937 (integers from 1 to 2*n - 1), A358567 (minimal determinant), A358568 (maximal determinant), A358570 (maximal).

Extensions

a(5)-a(6) from Lucas A. Brown, Dec 03 2022

A358570 a(n) is the maximal permanent of an n X n Toeplitz matrix using the integers 0 to 2*(n - 1).

Original entry on oeis.org

1, 0, 4, 121, 6109, 494610, 58369622
Offset: 0

Views

Author

Stefano Spezia, Nov 22 2022

Keywords

Comments

Also maximal permanent of an n X n Hankel matrix using the integers 0 to 2*(n - 1). - Stefano Spezia, Dec 22 2023

Examples

			a(2) = 4:
    [2, 0;
     1, 2]
a(3) = 121:
    [4, 2, 1;
     3, 4, 2;
     0, 3, 4]

Links

Crossrefs

Cf. A350938 (integers from 1 to 2*n - 1), A358567 (minimal determinant), A358568 (maximal determinant), A358569 (minimal).

Extensions

a(5)-a(6) from Lucas A. Brown, Dec 03 2022

A358567 a(n) is the minimal determinant of an n X n Toeplitz matrix using the integers 0 to 2*(n - 1).

Original entry on oeis.org

1, 0, -2, -31, -1297, -39837, -2256911, -99518694
Offset: 0

Views

Author

Stefano Spezia, Nov 22 2022

Keywords

Examples

			a(2) = -2:
    [0, 1;
     2, 0]
a(3) = -31:
    [2, 3, 0;
     4, 2, 3;
     1, 4, 2]

Links

Crossrefs

Cf. A350930 (integers from 1 to 2*n - 1), A358568 (maximal), A358569 (minimal permanent), A358570 (maximal permanent).

Extensions

a(5)-a(7) from Lucas A. Brown, Dec 03 2022
Showing 1-3 of 3 results.

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.