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 A095242 #9 Dec 05 2013 19:56:52 %S A095242 2,1,5,6,11,5,1,17,19,34,37,46,46,49,39,3,29,53,28,54,5,85,13,46,46,9, %T A095242 176,58,15,5,43,34,121,25,89,73,221,8,32,215,76,92,45,35,14,216,74, %U A095242 316,99,84,26,186,336,42,211,185,68,321,189,266,129,289,211,142,152,295,171 %N A095242 a(n) = smallest positive number such that concatenation a(1)...a(n) is divisible by n-th prime. %H A095242 Diana Mecum, <a href="/A095242/b095242.txt">Table of n, a(n) for n = 1..499</a> %K A095242 base,nonn %O A095242 1,1 %A A095242 _Amarnath Murthy_, Jun 17 2004 %E A095242 Edited by _N. J. A. Sloane_, Feb 28 2007 %E A095242 More terms from _Diana L. Mecum_, Jun 30 2007