ZarankiewiczDB,

an online database of Zarankiewicz numbers. home; recent; tables; submit; theorems & references

Matrix for z(13,18)

1111
1111
1111
111
111
1111
111
111
111
1111
111
111
111
111
111
111
1111
1111

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

(628.404755242 seconds, score = 61, 9941786 recursive calls, max depth = 20)

weight = 61, submitted by Andrew Kay on April 22nd, 2016 (link, raw)