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 A071276 #21 Jan 09 2025 18:59:00 %S A071276 1,6,66,252,2112,46464,23677632,880121088,88892229888 %N A071276 a(1) = 1; a(n) = smallest palindrome which is a nontrivial product of n distinct palindromes. %e A071276 252=2*3*6*7 => a(4)=252. %Y A071276 Cf. A071277, A378140. %K A071276 base,nonn,more %O A071276 1,2 %A A071276 _Amarnath Murthy_, Jun 07 2002 %E A071276 Corrected and extended by _Sascha Kurz_, Jan 02 2003 %E A071276 a(7)-a(8) from _Sean A. Irvine_, Jul 07 2024 %E A071276 a(9) from _Michael S. Branicky_, Jul 08 2024 %E A071276 Name corrected by _Robert Israel_, Jan 08 2025