Diameter-6 distance-regular graphs

No. of verticesIntersection ArrayGraph
64$\{6,5,4,3,2,1; 1,2,3,4,5,6\}$6-cube $Q_6 \cong H(6,2)$
126$\{3,2,2,2,2,2;1,1,1,1,1,3\}$Tutte's 12-cage
189$\{4,2,2,2,2,2;1,1,1,1,1,2\}$Line graph of Tutte's 12-cage
728$\{4,3,3,3,3,3;1,1,1,1,1,4\}$Incidence graph of $GH(3,3)$
1716$\{7,6,6,5,5,4;1,1,2,2,3,3\}$Odd graph $O_7$

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Last updated: 7 March 2024