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 A376970 #8 Oct 12 2024 15:36:58 %S A376970 0,0,0,0,3,6,26,72,241,623,2028,5374,16781,45094,138971,378196, %T A376970 1156028,3183390,9679303,26929415,81575661,228958790 %N A376970 Number of polycubes of size n and symmetry class F. %C A376970 See link "Counting free polycubes" for explanation of notation. %H A376970 John Mason, <a href="/A038119/a038119_1.pdf">Counting free polycubes</a> %Y A376970 Cf. A000162, A038119. %K A376970 nonn,more %O A376970 1,5 %A A376970 _John Mason_, Oct 12 2024