ZarankiewiczDB,

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

Matrix for z(18,23)

1111
11111
1111
1111
1111
11111
11111
1111
111
1111
1111
1111
1111
1111
1111
1111
1111
111
111
1111
1111
1111
11111

Scaffold: $p=4$, $q=5$, $\mathbf{m}=(4,4,4,4)$, $\mathbf{n}=(3,3,3,2,2)$, $m_O=0$, $n_O=1$.

(1097.350063553 seconds, score = 93, 9278849 recursive calls, max depth = 24)

weight = 93, submitted by Andrew Kay on April 22nd, 2016 (link, raw)