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 A339962 #11 Dec 25 2020 10:50:38 %S A339962 1,18980,8782833,4190083085,2848083212818,1738936046774850, %T A339962 1033232532941136255,621423541447699842468,373334515946952014204102, %U A339962 223802065032649969887333948,134170413630013820290109500226,80436114451156297907062202392494,48216986287603185632341666866663007 %N A339962 Number of Hamiltonian circuits within parallelograms of size 10 X n on the triangular lattice. %H A339962 Olga Bodroža-Pantić, Harris Kwong and Milan Pantić, <a href="https://doi.org/10.1016/j.dam.2015.07.028">Some new characterizations of Hamiltonian cycles in triangular grid graphs</a>, Discrete Appl. Math. 201 (2016) 1-13. (a(n) is equal to h9(n-1) defined by this paper) %H A339962 M. Peto, <a href="https://doi.org/10.31274/rtd-180813-17105">Studies of protein designability using reduced models</a>, Thesis, 2007. %Y A339962 Row 10 of A339849. %Y A339962 Cf. A180504. %K A339962 nonn %O A339962 2,2 %A A339962 _Seiichi Manyama_, Dec 25 2020