A306782 Number of distinct minimal polynomials of n X n matrices with elements {-1, 1}.

2, 6, 30, 223, 3408

Offset

1,1

Links

Table of n, a(n) for n=1..5.

S. E. Thornton, Properties of the Bohemian family of n x n matrices with population {-1, 1}, Characteristic Polynomial Database.

Crossrefs

Number of characteristic polynomials is in A272662.

Sequence in context: A112317 A089459 A027882 * A106209 A375226 A003266

Adjacent sequences: A306779 A306780 A306781 * A306783 A306784 A306785

Keyword

nonn,more,hard

Author

Steven E. Thornton, Mar 09 2019

Status

approved