ZarankiewiczDB,

an online database of Zarankiewicz numbers.

z(12,38) = 90

 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1

Scaffold: $p=8$, $q=2$, $\mathbf{m}=(2,1,1,1,1,1,1,1)$, $\mathbf{n}=(8,8)$, $m_O = 13$, $n_O = 0$.

(134197.675150892 seconds, score = 90, 519404523 recursive calls, max depth = 52)

weight = 90, submitted by Andrew Kay on April 22nd, 2016 (link, raw)

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