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 A008707 #11 Jul 08 2025 01:20:01 %S A008707 10,11,12,13,14,20,22,101,1010,1111111111 %N A008707 a(n) = 10 in base 10-n. %D A008707 C. Pickover, Mazes for the Mind, St. Martin's Press, NY, 1992, p. 349. %K A008707 fini,nonn,base,full %O A008707 0,1 %A A008707 _N. J. A. Sloane_