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 A360203 #6 Feb 16 2025 08:34:04 %S A360203 1,12,138,3568,277606,66136452,48136454388,106601739449932, %T A360203 716581962133166734,14594259085593605592840, %U A360203 899530518959027898354960664,167638624754374503965030664785872,94397539071875018677962029008899452442,160524233982090828046095750880433748533447560 %N A360203 Number of (non-null) induced trees in the n X n grid graph. %H A360203 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/GridGraph.html">Grid Graph</a> %H A360203 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/InducedSubgraph.html">Induced Subgraph</a> %Y A360203 Main diagonal of A360202. %Y A360203 Cf. A059525, A080691, A297664, A360200. %K A360203 nonn %O A360203 1,2 %A A360203 _Andrew Howroyd_, Feb 22 2023