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 A113643 #7 Sep 19 2019 15:54:27 %S A113643 17392546081,18394765201,32798165401,61280451937,96112743805, %T A113643 103964580721,129386974501,165274930081,176962430851,189147932065, %U A113643 194687539201,206238795841,236791540801,248979435601,249817563601,294153967801,334797586201,343906758721,384073572961 %N A113643 Pandigital Carmichael numbers. %H A113643 Amiram Eldar, <a href="/A113643/b113643.txt">Table of n, a(n) for n = 1..10000</a> %e A113643 a(1)=17392546081 is a term because 17392546081 is a Carmichael number and also contain all digits from 0 to 9 so pandigital also. %Y A113643 Intersection of A002997 and A171102. %K A113643 base,nonn %O A113643 1,1 %A A113643 _Shyam Sunder Gupta_, Jan 15 2006 %E A113643 More terms from _Amiram Eldar_, Sep 19 2019