https://mathworld.wolfram.com/Ionin-KharaghaniGraph.html
Ionin-Kharaghani Graph -- from Wolfram MathWorld
The Ionin-Kharaghani graph is a strongly regular graph on 765 vertices and 73440 edges. It has regular parameters (nu,k,lambda,mu)=(765,192,48,48). It is...
graphwolframmathworld