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Diameter-7 distance-regular graphs

No. of verticesIntersection ArrayGraph
70{4,3,3,2,2,1,1;1,1,2,2,3,3,4}Doubled Odd graph D(O4)
102{3,2,2,2,1,1,1;1,1,1,1,1,1,3}Biggs-Smith graph
128{7,6,5,4,3,2,1;1,2,3,4,5,6,7}7-cube Q7H(7,2)
2048{22,21,20,16,6,2,1;1,2,6,16,20,21,22}Double coset graph of truncated binary Golay code
2187{14,12,10,8,6,4,2;1,2,3,4,5,6,7}H(7,3)
3432{49,36,25,16,9,4,1;1,4,9,16,25,36,49}J(14,7)
4096{23,22,21,20,3,2,1;1,2,3,20,21,22,23}Double coset graph of binary Golay code

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Last updated: 12 August 2024