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 A006811 M3516 #17 Jul 08 2025 16:55:48 %S A006811 4,16,64,246,944,3532,13252,48825 %N A006811 Percolation series for b.c.c. lattice. %D A006811 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence). %H A006811 J. Blease, <a href="https://doi.org/10.1088/0022-3719/10/7/003">Series expansions for the directed-bond percolation problem</a>, J. Phys C vol 10 no 7 (1977), 917-924. %H A006811 <a href="/index/Ba#bcc">Index entries for sequences related to b.c.c. lattice</a> %K A006811 nonn,more %O A006811 1,1 %A A006811 _N. J. A. Sloane_