1,1
Table of n, a(n) for n=1..5.
Encyclopedia of Math, Non-derogatory matrix
S. E. Thornton, Properties of the Bohemian family of n x n matrices with population {-1, 1}, Characteristic Polynomial Database.
Number of characteristic polynomials is in A272662.
Number of minimal polynomials is in A306782.
Sequence in context: A223563 A140309 A201383 * A012461 A012458 A012171
Adjacent sequences: A306813 A306814 A306815 * A306817 A306818 A306819
nonn,more,hard
Steven E. Thornton, Mar 11 2019
approved
