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 A113642 #12 Jun 03 2023 17:49:06 %S A113642 12539670481,13069482857,15076432489,15342679801,16974853201, %T A113642 17392546081,18260734519,18394765201,21654091837,23759084161, %U A113642 24785139601,25089467413,26714530189,27631845901,29384567041,29673748105,32798165401,35901682741,37946180251,38204791561 %N A113642 Pandigital pseudoprimes (base-2). %H A113642 Amiram Eldar, <a href="/A113642/b113642.txt">Table of n, a(n) for n = 1..10000</a> %e A113642 a(1) = 12539670481 is a term because 12539670481 is a pseudoprime (base-2) and also contains all of the digits from 0 to 9 so it's pandigital. %Y A113642 Intersection of A171102 and A001567. %K A113642 base,nonn %O A113642 1,1 %A A113642 _Shyam Sunder Gupta_, Jan 15 2006 %E A113642 More terms from _Amiram Eldar_, Nov 10 2019 %E A113642 Example edited by _Harvey P. Dale_, Jun 03 2023