A272662 -id:A272662 - cp's OEIS frontend

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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

Steven E. Thornton, Mar 11 2019

Encyclopedia of Math, Non-derogatory matrix
S. E. Thornton, Properties of the Bohemian family of n x n matrices with population {-1, 1}, Characteristic Polynomial Database.

Number of characteristic polynomials is in A272662.

Number of minimal polynomials is in A306782.

A306819 Number of nilpotent n X n matrices with elements {-1, 1}.

Original entry on oeis.org

0, 4, 0, 2064, 0, 100172800

Offset: 1

Steven E. Thornton, Mar 11 2019

S. E. Thornton, Properties of the Bohemian family of n x n matrices with population {-1, 1}, Characteristic Polynomial Database.

Number of characteristic polynomials is in A272662.

Number of distinct eigenvalues is in A306791.

Previous Showing 11-12 of 12 results.