# ZarankiewiczDB,

an online database of Zarankiewicz numbers.

## z(23,23) = 115

 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 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

Found by the scaffold algorithm.

(5.31517637 seconds, score = 115, 22072 recursive calls, max depth = 33)

lower bound = 115, submitted by Andrew Kay on April 23rd, 2016 (link, raw)

By Damásdi, Héger and Szőnyi's recursive bound with $\alpha=1$ and $\beta=5$. [DHS13, p. 17]

upper bound = 115, submitted on April 23rd, 2016 (link)

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