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 A039626 #11 Jul 08 2025 22:38:38 %S A039626 1,1,4,13,57,255,1224,5953 %N A039626 Number of planar simply-connected mono-q-polyhexes for q=4. %D A039626 J. Brunvoll, B. N. Cyvin, and S. J. Cyvin, Studies of some chemically relevant polygonal systems: mono-q-polyhexes, ACH Models in Chem., 133(3) (1996), 277-298. %Y A039626 Cf. A018190. %K A039626 nonn %O A039626 1,3 %A A039626 _N. J. A. Sloane_