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 A039628 #6 Jul 08 2025 22:38:52 %S A039628 1,1,3,9,32,130,566,2548 %N A039628 Number of planar simply-connected mono-q-polyhexes for q=2. %D A039628 J. Brunvoll et al., Studies of some chemically relevant polygonal system mono-q-polyhexes, ACH Models in Chem., 133 (3) (1996), 277-298. %Y A039628 Cf. A018190. %K A039628 nonn %O A039628 1,3 %A A039628 _N. J. A. Sloane_