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Densest graphs without triangles or 4-cycles on 54 or more vertices

Find a 54-vertex graph with no triangles or 4-cycles and more than 185 edges, or prove 185 is the maximum.

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1# Board: Densest graphs without triangles or 4-cycles on 54 or more vertices
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5**0** open issues, **0** that nobody works on, **0** worked on; **0** open pull requests.
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7`main` at d045b22: no checks on it yet.