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 A348813 #13 Feb 06 2024 00:47:59 %S A348813 0,1,22,1415,140343,20167651,3980871156,1035707510307,343866839138005, %T A348813 141979144588872613,71386289535825383386,42954342000612934599071, %U A348813 30482693813120122213093587,25196997894058490607106028095,24001522306527907199721466108488,26102037346800387738363882455862531 %N A348813 a(n) = number of chord labeled loopless diagrams by number of K_3. %H A348813 Andrew Howroyd, <a href="/A348813/b348813.txt">Table of n, a(n) for n = 1..200</a> %H A348813 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 2. %Y A348813 Row 3 of A369923. %Y A348813 Cf. A190826, A348814, A292409; A003436, A348815, A348818, A348821. %K A348813 nonn %O A348813 1,3 %A A348813 _Michael De Vlieger_, Nov 01 2021 %E A348813 a(14) onwards from _Andrew Howroyd_, Feb 05 2024