👉 In mathematics, "topknotted" is a term used to describe a knot that has been knotted at its ends. This means that the knot's interior is made up of two or more knots connected by loops or twists. For example, consider the 3-dimensional knot that is known as the "Knot Number 10", which can be described as follows: ``` 2 3 / \ / / \ / / 5 6 7