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 A347724 #10 Feb 16 2025 08:34:02 %S A347724 2,4,17,102,925,12508,274369,8955595,447311286,34069625935, %T A347724 3993234239468 %N A347724 Number of irredundant sets in the n-triangular grid graph. %H A347724 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/IrredundantSet.html">Irredundant Set</a> %H A347724 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/TriangularGridGraph.html">Triangular Grid Graph</a> %Y A347724 Cf. A346143, A347639. %K A347724 nonn,more %O A347724 0,1 %A A347724 _Eric W. Weisstein_, Sep 11 2021 %E A347724 Missing a(0) inserted and a(7)-a(10) from _Andrew Howroyd_, Jan 19 2022