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 A147647 #2 Mar 30 2012 17:26:28 %S A147647 123567480,123675840,123756480,126573840,132576840,132657480, %T A147647 132765840,135648720,135726840,138546720,138675240,147528360, %U A147647 153276840,153672480,153768240,156237840,156348720,162573480,165327840,165378240,165438720 %N A147647 Nine-digit numbers with all distinct digits such that the string formed by the last k digits is divisible by k for any 1<=k<=9. %C A147647 There are exactly 202 such numbers, a(n)=A140501(n)-9000000000. %F A147647 a(n)=A140501(n)-9000000000. %Y A147647 A140501, A147636, A147637. %K A147647 base,fini,nonn %O A147647 1,1 %A A147647 _Zak Seidov_, Nov 09 2008