This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A085617 #9 Mar 02 2021 04:53:12 %S A085617 0,0,2,17,392 %N A085617 Number of nonisomorphic 2-graphs with 2n nodes with first cohomology invariant nonzero, second cohomology invariant 0. %H A085617 F. C. Bussemaker, R. A. Mathon and J. J. Seidel, <a href="https://link.springer.com/content/pdf/10.1007/BFb0092256.pdf">Tables of two-graphs</a>, T.H.-Report 79-WSK-05, Technological University Eindhoven, Dept. Mathematics, 1979; also pp. 71-112 of "Combinatorics and Graph Theory (Calcutta, 1980)", Lect. Notes Math. 885, 1981. %H A085617 F. C. Bussemaker, R. A. Mathon and J. J. Seidel, <a href="https://www.google.com/books/edition/Combinatorics_and_Graph_Theory/KD17CwAAQBAJ?hl=en&gbpv=1&pg=PA70&printsec=frontcover">Tables of two-graphs</a>, T.H.-Report 79-WSK-05, Technological University Eindhoven, Dept. Mathematics, 1979; also pp. 71-112 of "Combinatorics and Graph Theory (Calcutta, 1980)", Lect. Notes Math. 885, 1981. %Y A085617 Cf. A006627, A002854. %K A085617 nonn %O A085617 1,3 %A A085617 _N. J. A. Sloane_, Jul 11 2003