ZarankiewiczDB,

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z(14,25) = 80

R. K. Guy [Guy69] gave an incorrect value of 79.

submitted by Andrew Kay on April 22nd, 2016 (link)

1111
111
111
111
111
11
1111
1111
111
111
1111
1111
111
111
111
111
111
111
111
111
111
111
111
111
1111

Scaffold: $p=3$, $q=5$, $\mathbf{m}=(5,4,4)$, $\mathbf{n}=(2,2,2,2,2)$, $m_O=6$, $n_O=0$.

(4388.789631162 seconds, score = 80, 55675787 recursive calls, max depth = 35)

weight = 80, submitted by Andrew Kay on April 22nd, 2016 (link, raw)

Related: Bound 2072

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