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 1-4 of 4 results.

A118998 Minimal determinant of real n X n symmetric (0,1) matrices.

Original entry on oeis.org

0, -1, -2, -3, -5, -9, -32, -56, -128, -320
Offset: 1

Views

Author

Giovanni Resta, May 08 2006

Keywords

Crossrefs

Cf. A119006, A119002, A118986, A118996, A119001, A119007.

Extensions

a(8)-a(10) from Max Alekseyev, Jun 17 2025

A119006 Number of n X n real symmetric (0,1)-matrices having minimal determinant (=A118998(n)).

Original entry on oeis.org

1, 3, 3, 8, 60, 1620, 840, 23520, 756000, 30996000
Offset: 1

Views

Author

Giovanni Resta, May 08 2006

Keywords

Crossrefs

Cf. A118998, A119002, A119004, A119007.

Extensions

a(8)-a(10) from Max Alekseyev, Jun 17 2025

A119000 Minimal determinant of real n X n symmetric (+1,-1) matrices.

Original entry on oeis.org

-1, -2, -4, -16, -48, -160, -576, -2304, -14336, -73728
Offset: 1

Views

Author

Giovanni Resta, May 08 2006

Keywords

Crossrefs

Cf. A118998, A119001, A119003, A119007.

Extensions

a(8)-a(10) from Max Alekseyev, Jun 17 2025

A119005 Number of n X n real symmetric (+1,-1)-matrices having maximal determinant (=A119003(n)).

Original entry on oeis.org

1, 4, 16, 48, 416, 3840, 161280, 215040, 15482880, 774144000
Offset: 1

Views

Author

Giovanni Resta, May 08 2006

Keywords

Links

Crossrefs

Cf. A119004, A119003, A119004, A119007.

Extensions

a(8)-a(10) from Max Alekseyev, Jun 17 2025
Showing 1-4 of 4 results.

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

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