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 A125285 #2 Mar 31 2012 14:40:13 %S A125285 2,7,22,4157,6677,10207,926527,2814427,35452202 %N A125285 Numbers n such that 11*n | 5^n - 3. %e A125285 5^22-3=22*108372081409801, %e A125285 5^77-3=77*8594084286265222596066583813713899777307138814554586. %Y A125285 Cf. A123061 = n | 5^n - 3. %K A125285 nonn %O A125285 1,1 %A A125285 _Zak Seidov_, Nov 26 2006