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 A142860 #6 May 31 2018 05:11:40 %S A142860 1,3,4,13,26,94,295,1452,8270,72281 %N A142860 Number of trivially fully gated graphs on n nodes. %H A142860 C. J. Colbourn and C. Huybrechts, <a href="https://doi.org/10.1016/j.disc.2007.09.039">Fully gated graphs,: recognition and convex operations</a>, Discrete Math., 308 (2008), 5184-5195. %Y A142860 Cf. A142859, A142861. %K A142860 nonn,more %O A142860 5,2 %A A142860 _N. J. A. Sloane_, Oct 01 2008