ZarankiewiczDB,

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

Matrix for z(15,30)

1111111
111111
1111111
111111
1111111
111111
111111
111111
111111
111111
111111
111111
111111
1111111
1111111

Found by the scaffold algorithm.

weight = 95, submitted by Andrew Kay on June 30th, 2017 (link, raw)