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 A246625 #6 Sep 03 2014 21:09:11 %S A246625 25,323,471,2512,1520900,9320684,10302650,30713850 %N A246625 a(n) = A244446(A246624(n)). %e A246625 A244446(A246624(1)) = A244446(1) = 25. %e A246625 A244446(A246624(5)) = A244446(42) = 1520900. %e A246625 A244446(A246624(8)) = A244446(7948) = 30713850. %Y A246625 Cf. A244446, A246624. %K A246625 nonn,more %O A246625 1,1 %A A246625 _Jahangeer Kholdi_ and _Farideh Firoozbakht_, Aug 31 2014