A306928 - OEIS

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A306928

Number of different values taken by the determinant of a real (0,1,2) matrix of order n.

1

1, 3, 9, 25, 67, 233, 893

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OFFSET

0,2

LINKS

Table of n, a(n) for n=0..6.

S. E. Thornton, Properties of the Bohemian family of n x n matrices with population {0, 1, 2}, Characteristic Polynomial Database.

Minfeng Wang, C++ program to calculate A306928

CROSSREFS

Sequence in context: A069403 A291021 A226710 * A094292 A295571 A291019

Adjacent sequences: A306925 A306926 A306927 * A306929 A306930 A306931

KEYWORD

nonn,more,hard

AUTHOR

Steven E. Thornton, Mar 16 2019

EXTENSIONS

a(6) from Minfeng Wang, May 29 2024

STATUS

approved