[h=1]For which positive integers k can a simple graph G = (V, E) be constructed such that: G has k vertexes, that is, |V| = k, G is bipartite, and its complement G is bipartite?[/h]
[FONT="]Basically, which positive integers of k vertices can make the simple graph: bipartite AND its complement is bipartite[/FONT]
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[FONT="]Please prove your answer is correct and list the positive k integers which this is valid [/FONT]
[FONT="]Basically, which positive integers of k vertices can make the simple graph: bipartite AND its complement is bipartite[/FONT]
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[FONT="]Please prove your answer is correct and list the positive k integers which this is valid [/FONT]