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 A376991 #5 Oct 13 2024 12:15:36 %S A376991 0,1,1,2,2,1,1,2,4,2,5,7,8,5,10,15,20,12,23,36,48,30 %N A376991 Number of polycubes of size n and symmetry class BBC. %C A376991 See link "Counting free polycubes" for explanation of notation. %H A376991 John Mason, <a href="/A038119/a038119_1.pdf">Counting free polycubes</a> %Y A376991 Cf. A000162, A038119. %K A376991 nonn,more %O A376991 1,4 %A A376991 _John Mason_, Oct 13 2024