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A306928 Number of different values taken by the determinant of a real (0,1,2) matrix of order n. 0
1, 3, 9, 25, 67, 233 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..5.

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

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

STATUS

approved

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Last modified February 25 23:44 EST 2020. Contains 332270 sequences. (Running on oeis4.)