Number of distinct characteristic polynomials of n X n matrices with elements {t, 1}, where t is an indeterminate.

A272663

Number of distinct characteristic polynomials of n X n matrices with elements {t, 1}, where t is an indeterminate.

Terms

    a(0) =1a(1) =2a(2) =9a(3) =68a(4) =1161a(5) =65348

External references