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 A046449 #10 Dec 06 2014 13:23:27 %S A046449 4,39,429,5565,94605,1040655,2332655745,178516966485,4105890229155, %T A046449 867388559982945,37297708079266635,1529206031249932035 %N A046449 Smallest composite number with n distinct prime factors with property that the concatenation of its distinct prime factors is a palindrome. %C A046449 Subsequence of A046447. - _Michel Marcus_, Dec 06 2014 %e A046449 a(5)=94605 has 5 distinct factors 3 * 5 * 7 * 17 * 53 and 3571753 is palindromic. %Y A046449 Cf. A046447, A046448, A046450. %K A046449 nonn,hard,nice,base %O A046449 1,1 %A A046449 _Patrick De Geest_, Jul 15 1998 %E A046449 More terms from Arlin Anderson (starship1(AT)gmail.com), Mar 11 2000