A306002 Number of distinct real eigenvalues of n X n matrices with elements {-1, 0, +1}.

3, 11, 157, 8825, 2681903

Offset: 1

Author

Steven E. Thornton, Jun 16 2018

Keywords

• nonn
• hard
• more

References

• Steven E. Thornton & Robert M. Corless, The Bohemian Eigenvalue Project, Poster Presented at The International Symposium on Symbolic and Algebraic Computation (ISSAC 2016). Wilfrid Laurier University, July 19-22, 2016.

Links

• Steven E. Thornton & Robert M. Corless, The Bohemian Eigenvalue Project.

Crossrefs

Number of distinct eigenvalues: A271570.

Number of characteristic polynomials: A272658.