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 A119708 #7 Feb 02 2025 02:15:41 %S A119708 0,0,1,1,0,1,1,0,1,4,0,3,4,0,3,12,0,6,19,0,10,41,0,16,72,0,28,149,0, %T A119708 50,72,0,87,557,0 %N A119708 Number of free hexagonal polygons of symmetry class D_(3h) and area n. %D A119708 Markus Voege, Anthony J. Guttmann and Iwan Jensen, "On the number of benzenoid hydrocarbons", J. Chem. Inf. Comput. Sci., (2002), vol. 42, 456-466. %Y A119708 Cf. A121212, A121211, A121210, A120991. %K A119708 nonn,more %O A119708 1,10 %A A119708 _N. J. A. Sloane_, Aug 27 2006