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 A006426 M4751 #10 Apr 05 2021 11:46:11 %S A006426 10,340,5846,71372,706068,6052840,46759630,333746556,2238411692, %T A006426 14277544216,87376309020,516495616120,2964332933800,16586670357200, %U A006426 90782049175614,487329793111260,2571575908919740,13364166071956280,68507393061864020,346874109053120616 %N A006426 Number of rooted toroidal maps with 3 vertices and n faces and no isthmuses. %D A006426 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A006426 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 A006426 A diagonal of A343092. %K A006426 nonn %O A006426 1,1 %A A006426 _N. J. A. Sloane_ %E A006426 Name clarified and terms a(10) and beyond from _Andrew Howroyd_, Apr 05 2021