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 A378708 #9 Dec 04 2024 20:54:03 %S A378708 4,10,16,28,46,74,122,198,320 %N A378708 Circumference of the n-Lucas cube graph. %C A378708 a(n) = 2*A245968(n) = A000032(n) - A100063 = LucasL[n] - 2/3 (Cos[2 n Pi/3] + 2) for known terms starting with n == 5. %H A378708 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/GraphCircumference.html">Graph Circumference</a>. %H A378708 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/LucasCubeGraph.html">Lucas Cube Graph</a>. %K A378708 nonn,more %O A378708 4,1 %A A378708 _Eric W. Weisstein_, Dec 04 2024