%I #13 Mar 09 2019 20:25:27

%S 2,6,46,664,28129,3522087

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

%H S. E. Thornton, <a href="http://www.bohemianmatrices.com/cpdb/unstructured/unstructured_0_1">Properties of the Bohemian family of n x n matrices with population {0, 1}</a>, Characteristic Polynomial Database.

%Y Number of characteristic polynomials is in A272661.

%K nonn,more,hard

%O 1,1

%A _Steven E. Thornton_, Mar 09 2019