Question: What is the Pr ufer code of a labelled tree and how can it be obtained? How can the degree sequence of a labelled tree

What is the Prufer code of a labelled tree and how can
it be obtained? How can the degree sequence of a labelled tree
be obtained from its Prufer code? Which labelled tree on vertices
{0,1,...,6} has Prufer code [1,1,1,1,1]? Justify your answer.

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