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 A302486 #36 Feb 16 2025 08:33:53 %S A302486 2,2,4,5,6,8,10,12,15,17,20,23,26,30,33,36,40,45,49,54,58,63,69,74 %N A302486 Total domination number of the n-triangular grid graph. %H A302486 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/TotalDominationNumber.html">Total Domination Number</a> %H A302486 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/TriangularGridGraph.html">Triangular Grid Graph</a> %F A302486 a(n) ~ n^2/10. - _Andrew Howroyd_, May 20 2018 %Y A302486 Cf. A251419, A303049. %K A302486 nonn,more %O A302486 1,1 %A A302486 _Eric W. Weisstein_, Apr 08 2018 %E A302486 a(11)-a(15) from _Andrew Howroyd_, Apr 18 2018 %E A302486 a(16)-a(17) from _Eric W. Weisstein_, Apr 18 2018 %E A302486 a(18) from _Eric W. Weisstein_, Apr 20 2018 %E A302486 a(19) from _Andrew Howroyd_, May 19 2018 %E A302486 a(20)-a(24) from _Eric W. Weisstein_, Sep 22-23 2021