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 A356616 #6 Aug 16 2022 05:14:52 %S A356616 1,1,4,36,666,24696,1808820,259300148,72369408510,39205936157880, %T A356616 41152969216872016,83592236529606631688,328284931491454739745904, %U A356616 2490876950205850778116435156,36494758452603010620499864088198,1032033208911845667821292289616451218 %N A356616 Number of SAPs crossing a triangular domain of the hexagonal lattice and including top vertex. %H A356616 Anthony J. Guttmann, <a href="/A356616/b356616.txt">Table of n, a(n) for n = 1..26</a> %H A356616 Anthony J. Guttmann and Iwan Jensen, <a href="https://arxiv.org/abs/2208.06744">Self-avoiding walks and polygons crossing a domain on the square and hexagonal lattices</a>, arXiv:2208.06744 [math-ph], Aug 13 2022, Table D9. %Y A356616 Cf. A001006, A002026, A007764, A116485. %K A356616 nonn %O A356616 1,3 %A A356616 _Vaclav Kotesovec_, following a suggestion from _Anthony Guttmann_, Aug 16 2022