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 A335934 #10 Jul 01 2020 20:32:27 %S A335934 1,2,6,66,2772,279972,67566576,5159488849515,83797355379738 %N A335934 Smallest palindrome in base 10 whose factorization contains n distinct base 10 palindromic prime factors. %C A335934 For n <= 6, a(n) does not have a non-palindromic prime factor, i.e. a(n) has n distinct prime factors and they are all palindromes. On the other hand, a(7) contains a prime factor 13, which is not a palindrome. %e A335934 a(6) = 67566576 = 2^4*3*7*11*101*181 has 6 distinct palindromic prime factors. %Y A335934 Cf. A002113, A002385, A046385, A309565. %K A335934 nonn,hard,base %O A335934 0,2 %A A335934 _Chai Wah Wu_, Jun 30 2020 %E A335934 a(8) from _David A. Corneth_, Jul 01 2020