A118988
Number of different values taken by the permanent of a symmetric real (+1,-1)-matrix of order n.
Original entry on oeis.org
1, 2, 2, 4, 7, 15, 20, 62, 190, 771, 2073
Offset: 0
Cf.
A006125 (number of symmetric real (+1,-1)-matrices of order (n-1)).
A118986
Number of different values taken by the permanent of a symmetric real (0,1)-matrix of order n.
Original entry on oeis.org
1, 2, 3, 6, 14, 46, 176, 908, 5802, 44053
Offset: 0
Cf.
A006125 (number of symmetric real (0,1)-matrices of order (n-1)).
A118985
Number of different values taken by the determinant of a symmetric real (0,1)-matrix of order n.
Original entry on oeis.org
1, 2, 3, 5, 7, 11, 19, 40, 91, 214, 577
Offset: 0
Cf.
A006125 (number of symmetric real (0,1)-matrices of order (n-1)).
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