A306002 - OEIS

%I #10 Jun 18 2018 03:12:40

%S 3,11,157,8825,2681903

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

%D 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.

%H Steven E. Thornton & Robert M. Corless, <a href="http://www.bohemianeigenvalues.com/">The Bohemian Eigenvalue Project</a>.

%Y Number of distinct eigenvalues: A271570.

%Y Number of characteristic polynomials: A272658.

%K nonn,hard,more

%O 1,1

%A _Steven E. Thornton_, Jun 16 2018