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 A376969 #8 Oct 12 2024 15:37:02 %S A376969 0,0,0,1,6,28,126,520,2099,8429,33676,135201,543248,2195182,8893547, %T A376969 36196788,147739046,605138811,2485051070,10233284681,42234214910, %U A376969 174693725151 %N A376969 Number of polycubes of size n and symmetry class E. %C A376969 See link "Counting free polycubes" for explanation of notation. %H A376969 John Mason, <a href="/A038119/a038119_1.pdf">Counting free polycubes</a> %Y A376969 Cf. A000162, A038119. %K A376969 nonn,more %O A376969 1,5 %A A376969 _John Mason_, Oct 12 2024