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A271587 Number of distinct minimal polynomials of n X n matrices with elements {-1, 0, +1}. 1
3, 19, 220, 8924 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

REFERENCES

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.

LINKS

Table of n, a(n) for n=1..4.

Steven E. Thornton, GitHub repository for code used to generate this sequence.

CROSSREFS

Number of characteristic polynomials A272658.

Sequence in context: A001035 A267634 A277407 * A217906 A166380 A136652

Adjacent sequences:  A271584 A271585 A271586 * A271588 A271589 A271590

KEYWORD

nonn,more,hard

AUTHOR

Steven E. Thornton, Jul 13 2016

STATUS

approved

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Last modified October 19 02:23 EDT 2018. Contains 316327 sequences. (Running on oeis4.)