EntityQ5159897· pop 7· linked from 5 articlesconference graphSign in to savespecial case of a strongly regular graphConnectionsmathematicsEntityInternational Standard Book NumberEntitydigital object identifierEntitygraph theoryEntityQ118398Entitymodular arithmeticEntityOn-Line Encyclopedia of Integer SequencesEntitylist of unsolved problems in mathematicsEntitycomplement graphEntitystrongly regular graphEntityPaley graphEntityconference matrixEntitysum of two squares theoremEntityCategoriesAlgebraic graph theoryGraph familiesStrongly regular graphs