1,2
A graph must be regular and bipartite to be a semisymmetric graph.
Eric Weisstein's World of Mathematics, Semisymmetric Graph
Sequence in context: A090331 A165818 A007381 this_sequence A088242 A113398 A056538
Adjacent sequences: A087111 A087112 A087113 this_sequence A087115 A087116 A087117
nonn,more
Eric Weisstein (eric(AT)weisstein.com), Aug 13, 2003
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