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 A333896 #5 May 03 2020 15:02:21 %S A333896 1,1,6,20,128,800,7252,78063,1059783,17120947,324989973,7091405557, %T A333896 175501697220,4869895326986,150149181850071,5105014674244446, %U A333896 190170557622677435,7718536219718200652,339658159537506154540,16135241804080190069164,824225772252119571338949 %N A333896 Number of unlabeled loopless multigraphs with n nodes of degree 5 or less. %Y A333896 Column k=5 of A333893. %K A333896 nonn %O A333896 0,3 %A A333896 _Andrew Howroyd_, Apr 08 2020