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source paley self-complementarity to sachs and templatize |
Rado graph |
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| year = 1962}}.</ref> Since ''n''(''n'' −1) must be divisible by 4, ''n'' must be [[Congruence relation|congruent]] to 0 or 1 mod 4; for instance, a 6-vertex graph cannot be self-complementary.
Every [[Paley graph]] is self-complementary.<ref name="sachs"/> The [[Rado graph]] is an infinite self-complementary graph.
==References==
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