n=7
Generating knot: 3 1 1 2 (7
2
2
)
Family: (2k+1) 1 1 (2k)
Alexander polynomial:
å
i=0
2l-1
(2i + 1)(-t)
i
+
å
i=2l
k+l
(4l + 1)(-t)
i
]
Number of projections: 2
Unknotting number: k-l+1
Signature: 2k-2l+1
Please respect the condition k
³
l
k=
l=
Conway symbol:
Number of components:
2
Alexander polynomial:
Unlinking number:
Signature:
