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A118986
Number of different values taken by the permanent of a symmetric real (0,1)-matrix of order n.
3
1, 2, 3, 6, 14, 46, 176, 908, 5802, 44053
OFFSET
0,2
CROSSREFS
Cf. A006125 (number of symmetric real (0,1)-matrices of order (n-1)).
Sequence in context: A094468 A091285 A109459 * A091138 A335260 A090983
KEYWORD
nonn,more
AUTHOR
Giovanni Resta, May 08 2006
EXTENSIONS
a(8) from Minfeng Wang, Jun 12 2024
a(0)=1 prepended by Alois P. Heinz, Jun 12 2024
a(9) from Minfeng Wang, Jun 18 2024
STATUS
approved