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 A132392 #6 Mar 30 2012 18:39:53 %S A132392 1,15,322,167,6444,32183,7306,225418,6551032,683405939,7074698775, %T A132392 26331754107,844494314469,1247955519394,251188643150958, %U A132392 93364101391902,16114920282762613,239390020079624346,191165654339590395,3098813483887370178,41804838226534899989 %N A132392 a(n) = smallest number k such that the decimal expansion of k^n begins with a string of at least n identical digits. %H A132392 Hans Havermann, <a href="/A132392/b132392.txt">Table of n, a(n) for n = 1..100</a> %e A132392 1^1 = 1, 15^2 = 225, 322^3 = 33386248, ... %Y A132392 See A131699 for another version. %K A132392 nonn,base %O A132392 1,2 %A A132392 Jonathan Vos Post, Aug 29 2007 %E A132392 More terms from _Hans Havermann_, Aug 30 2007