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 A338512 #13 Nov 09 2020 09:58:37 %S A338512 6,24,67,263,823,3276,10839,43287,147943 %N A338512 a(n) is the number of Chvátal-satisfying graphical n-sequences. %H A338512 Douglas Bauer, Linda Lesniak, Aori Nevo, and Edward Schmeichel, <a href="https://doi.org/10.1080/09728600.2020.1834337">On the necessity of Chvátal’s Hamiltonian degree condition</a>, AKCE International Journal of Graphs and Combinatorics. See p. 2. %H A338512 Vacláv Chvátal, <a href="https://doi.org/10.1016/0095-8956(72)90020-2">On Hamilton’s ideals</a>, J. Combin. Theory Ser. B 12(2): 163-168 (1972). %F A338512 a(n) = O(4^n/n^3) where O indicates the big O notation (see Ref. 2 in Bauer). %Y A338512 Cf. A000302, A000578. %Y A338512 Cf. A000569, A004251, A338513 (spurious version). %K A338512 nonn,more %O A338512 5,1 %A A338512 _Stefano Spezia_, Nov 01 2020