Seidel, J. J.; Taylor, D. E. Two-graphs, a second survey. (English) Zbl 0475.05073 Algebraic methods in graph theory, Vol. II, Conf. Szeged 1978, Colloq. Math. Soc. Janos Bolyai 25, 689-711 (1981). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 1 ReviewCited in 28 Documents MSC: 05C99 Graph theory 05-02 Research exposition (monographs, survey articles) pertaining to combinatorics 05C25 Graphs and abstract algebra (groups, rings, fields, etc.) 05B20 Combinatorial aspects of matrices (incidence, Hadamard, etc.) 51E20 Combinatorial structures in finite projective spaces 05B25 Combinatorial aspects of finite geometries Keywords:two-graphs; Euler graphs Citations:Zbl 0463.00008 PDFBibTeX XML Online Encyclopedia of Integer Sequences: Number of nonisomorphic 2-graphs with n nodes with first and second cohomology invariants both 0.