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 A307334 #48 Feb 16 2025 08:33:55 %S A307334 3,6,18,114,2970,1185282,100301050602 %N A307334 Number of 3-colorings of an n-dimensional hypercube. %H A307334 Prateek Bhakta, Benjamin Brett Buckner, Lauren Farquhar, Vikram Kamat, Sara Krehbiel, Heather M. Russell, <a href="https://doi.org/10.1007/s00373-018-1985-6">Cut-Colorings in Coloring Graphs</a>, Graphs and Combinatorics, (2019) 35(1), 239-248. %H A307334 Luis Cereceda, Janvan den Heuvel, Matthew Johnson, <a href="https://doi.org/10.1016/j.disc.2007.07.028">Connectedness of the graph of vertex-colourings</a>, Discrete Mathematics, (2008) 308(5-6), 913-919. %H A307334 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/HypercubeGraph.html">Hypercube Graph</a> %H A307334 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/VertexColoring.html">Vertex Coloring</a> %H A307334 Wikipedia, <a href="https://en.wikipedia.org/wiki/Chromatic_polynomial">Chromatic polynomial</a> %H A307334 Wikipedia, <a href="https://en.wikipedia.org/wiki/Hypercube">Hypercube</a> %F A307334 a(n) = 3*A334159(n,1) + 6*A334159(n,2) + 6*A334159(n,3). - _Andrew Howroyd_, Apr 23 2020 %Y A307334 Cf. A334159. %K A307334 nonn,more %O A307334 0,1 %A A307334 _Aalok Sathe_, Jul 24 2019 %E A307334 a(6) from _Andrew Howroyd_, Apr 23 2020