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 A077182 #5 Dec 05 2013 19:55:49 %S A077182 2,2,5,11,106,11,21,27,33,31,46,21,3,19,8,83,104,352,11,37,79,19,71, %T A077182 102,18,80,21,11,49,13,7,21,79,35,381,35,60,452,237,234,48,138,184, %U A077182 105,64,98,36,606,511,315,230,206,318,227,979,388,33,343,174,19,268,111 %N A077182 Smallest number k such that the concatenation of natural numbers from 1 to k is divisible by the prime(n). %Y A077182 Cf. A077180, A077181. %K A077182 base,nonn %O A077182 1,1 %A A077182 _Amarnath Murthy_, Nov 01 2002 %E A077182 Corrected and extended by _Sascha Kurz_, Jan 30 2003