A306793 Number of distinct real eigenvalues of n X n matrices with elements {0, 1}.

2, 6, 28, 370, 13403, 1535679

Offset

1,1

Links

Table of n, a(n) for n=1..6.

S. E. Thornton, Properties of the Bohemian family of n x n matrices with population {0, 1}, Characteristic Polynomial Database.

Crossrefs

Number of distinct eigenvalues is in A306784.

Number of characteristic polynomials is in A272661.

Number of minimal polynomials is in A306781.

Sequence in context: A277480 A108800 A325507 * A326359 A136639 A368003

Adjacent sequences: A306790 A306791 A306792 * A306794 A306795 A306796

Keyword

nonn,more,hard

Author

Steven E. Thornton, Mar 10 2019

Status

approved