FindKClan
FindKClan[g,k] finds a largest k-clan in the graph g.
FindKClan[g,k,n] finds a k-clan containing at most n vertices.
FindKClan[g,k,{n}] finds a k-clan containing exactly n vertices.
FindKClan[g,k,{nmin,nmax}] finds a k-clan containing between nmin and nmax vertices.
FindKClan[g,k,nspec,s] finds at most s k-clans.
FindKClan[{g,v},k,…] finds k-clans that include the vertex v only.
FindKClan[{v->w,…},…] uses rules v->w to specify the graph g.
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