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 A374310 #10 Feb 16 2025 08:34:07 %S A374310 0,1,1,2,3,11,33,178,1011,6816,47669,352901,2680512,20939433, %T A374310 166713951,1352143860,11129922982 %N A374310 Number of planar graphs of order n with exactly one Hamiltonian cycle and girth at least 4. %H A374310 Jan Goedgebeur, Barbara Meersman, and Carol T. Zamfirescu, <a href="https://arxiv.org/abs/1812.05650">Graphs with few Hamiltonian Cycles</a>, arXiv:1812.05650 [math.CO], 2018-2019. See Table 1 at p. 10. %H A374310 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PlanarGraph.html">Planar Graph</a>. %H A374310 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/UniquelyHamiltonianGraph.html">Uniquely Hamiltonian Graph</a>. %Y A374310 Cf. A307957, A374311. %K A374310 nonn,more %O A374310 3,4 %A A374310 _Stefano Spezia_, Jul 04 2024