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A118985 Number of different values taken by the determinant of a symmetric real (0,1)-matrix of order n. 5
1, 2, 3, 5, 7, 11, 19, 40, 91, 214, 577 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
Table of n, a(n) for n=0..10.
Minfeng Wang, C++ program
CROSSREFS
Cf. A089472, A108150, A118987, A118986, A373915, A373916.
Cf. A006125 (number of symmetric real (0,1)-matrices of order (n-1)).
Sequence in context: A065726 A215161 A227907 * A092728 A089769 A033274
Adjacent sequences: A118982 A118983 A118984 * A118986 A118987 A118988
KEYWORD
nonn,hard,more
AUTHOR
Giovanni Resta, May 08 2006
EXTENSIONS
a(0)=1 prepended by Alois P. Heinz, Mar 16 2019
a(8) from Minfeng Wang, Jun 11 2024
a(9) from Minfeng Wang, Jun 12 2024
a(10) from Hugo Pfoertner, Jun 25 2024
STATUS
approved

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Last modified August 18 17:33 EDT 2024. Contains 375269 sequences. (Running on oeis4.)