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 A006435 M4755 #10 Apr 04 2021 13:43:29 %S A006435 10,705,14478,154420,1092640,5826492,25240410,93203561,303143970, %T A006435 889015725 %N A006435 Number of tree-rooted toroidal maps with 3 faces and n vertices and without separating loops or isthmuses. %D A006435 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A006435 T. R. S. Walsh and A. B. Lehman, <a href="http://dx.doi.org/10.1016/0095-8956(75)90050-7">Counting rooted maps by genus. III: Nonseparable maps</a>, J. Combinatorial Theory Ser. B 18 (1975), 222-259. %Y A006435 Cf. A006434. %K A006435 nonn,more %O A006435 1,1 %A A006435 _N. J. A. Sloane_ %E A006435 Name clarified by _Andrew Howroyd_, Apr 04 2021