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 A348815 #14 Feb 06 2024 00:48:15 %S A348815 0,1,134,75843,83002866,158861646466,490294453324924, %T A348815 2292204611710892971,15459367618357013402267, %U A348815 144663877588996810362218074,1819753109993633276315632934129,29976383544377113242613349012354566,632574848906117234957565158900144038734 %N A348815 a(n) = number of chord labeled loopless diagrams by number of K_4. %H A348815 Andrew Howroyd, <a href="/A348815/b348815.txt">Table of n, a(n) for n = 1..150</a> %H A348815 Evgeniy Krasko, Igor Labutin, and Alexander Omelchenko, <a href="https://arxiv.org/abs/1709.03218">Enumeration of Labelled and Unlabelled Hamiltonian Cycles in Complete k-partite Graphs</a>, arXiv:1709.03218 [math.CO], 2017. See Appendix Table 3. %Y A348815 Row 4 of A369923. %Y A348815 Cf. A190830, A348816, A348817; A003436, A348813, A348818, A348821. %K A348815 nonn %O A348815 1,3 %A A348815 _Michael De Vlieger_, Nov 01 2021 %E A348815 a(11) onwards from _Andrew Howroyd_, Feb 05 2024