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 A263822 #7 Nov 22 2015 15:22:28 %S A263822 0,0,0,0,0,0,0,14,141 %N A263822 Conjectured number of terms in A263644 less than 10^n. %Y A263822 Cf. A236320, A255971, A263644. %K A263822 nonn,more %O A263822 1,8 %A A263822 _Arkadiusz Wesolowski_, Oct 27 2015