A306795 Number of distinct real eigenvalues of n X n matrices with elements {0, 1, 2}.

3, 25, 657, 112870

Offset

1,1

Links

Table of n, a(n) for n=1..4.

S. E. Thornton, Properties of the Bohemian family of n x n matrices with population {0, 1, 2}, Characteristic Polynomial Database.

Crossrefs

Number of eigenvalues is in A306792.

Number of characteristic polynomials is in A272659.

Number of minimal polynomials is in A306783.

Sequence in context: A179473 A248417 A355123 * A131310 A362657 A365359

Adjacent sequences: A306792 A306793 A306794 * A306796 A306797 A306798

Keyword

nonn,more,hard

Author

Steven E. Thornton, Mar 10 2019

Status

approved