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 A116885 #2 Mar 30 2012 17:40:41 %S A116885 1,8,55,76,377 %N A116885 Integers n such that 0<|n^5-m^2|<= n for some integer m. %C A116885 Next term, if any, must be greater than 50*10^9. %e A116885 |377^5-2759646^2| = 341 <= 377. %Y A116885 Cf. A078933, A116884. %K A116885 nonn %O A116885 1,2 %A A116885 _Giovanni Resta_, Feb 27 2006