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 A228253 #8 Feb 16 2025 08:33:20 %S A228253 111119,4999999,66666667,666666667,9000100009,66666666667 %N A228253 Smallest prime that does not divide at least one n-digit pandigital number. %H A228253 G. L. Honaker, Jr. and Chris Caldwell, <a href="https://t5k.org/curios/cpage/13323.html">Prime Curios! 111119</a> %H A228253 Carlos Rivera, <a href="http://www.primepuzzles.net/puzzles/puzz_259.htm">Puzzle 259</a> %H A228253 Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/PandigitalNumber.html">Pandigital Number</a> %Y A228253 Cf. A182051, A216203. %K A228253 base,more,nonn %O A228253 10,1 %A A228253 _Giovanni Resta_ and _Arkadiusz Wesolowski_, Aug 19 2013