<p><img alt="5. A sequence of natural numbers (a1, az,.., an) is said to be a degree sequence if there exists an undirected (simple) graph" src="https://media.cheggcdn.com/media%2F41a%2F41a2f6f9-0c96-4efa-9aac-23340d5b450e%2Fphphgsh5N.png" style="height:294px;width:1024px;" aria-describedby="d3f"/></p>5. A sequence of