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A306816
Number of non-derogatory n X n matrices with elements {-1, 1}.
0
2, 16, 472, 57456, 29025984
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OFFSET
1,1
LINKS
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.
CROSSREFS
Number of characteristic polynomials is in
A272662
.
Number of minimal polynomials is in
A306782
.
Sequence in context:
A140309
A201383
A354279
*
A012461
A012458
A012171
Adjacent sequences:
A306813
A306814
A306815
*
A306817
A306818
A306819
KEYWORD
nonn
,
more
,
hard
AUTHOR
Steven E. Thornton
, Mar 11 2019
STATUS
approved
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Last modified April 25 11:30 EDT 2024. Contains 371967 sequences. (Running on oeis4.)