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.

A306791 Number of distinct eigenvalues of n X n matrices with elements {-1, 1}.

Original entry on oeis.org

2, 9, 35, 335, 7709, 510743
Offset: 1

Views

Author

Steven E. Thornton, Mar 10 2019

Keywords

Crossrefs

Number of characteristic polynomials is in A272662.
Number of minimal polynomials is in A306782.

A306794 Number of distinct real eigenvalues of n X n matrices with elements {-1, 1}.

Original entry on oeis.org

2, 5, 15, 119, 2297, 145213
Offset: 1

Views

Author

Steven E. Thornton, Mar 10 2019

Keywords

Crossrefs

Number of distinct eigenvalues is in A306791.
Number of characteristic polynomials is in A272662.
Number of minimal polynomials is in A306782.

A306816 Number of non-derogatory n X n matrices with elements {-1, 1}.

Original entry on oeis.org

2, 16, 472, 57456, 29025984
Offset: 1

Views

Author

Steven E. Thornton, Mar 11 2019

Keywords

Crossrefs

Number of characteristic polynomials is in A272662.
Number of minimal polynomials is in A306782.
Showing 1-3 of 3 results.