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 A130858 #5 Mar 30 2012 17:40:44 %S A130858 0,10,1,11,2,12,3,13,4,14,5,15,6,16,7,17,8,18,9,19,26,126,1126,27,44, %T A130858 144,28,36,136,29,129,37,137,234,46,38,138,1138,11138,39,139,56,156, %U A130858 1156,48,148,334,57,66,49,149,245,1245,58,158,67,167,1167,11167,59 %N A130858 Smallest k such that A061762(k) = n. %H A130858 Giovanni Resta, <a href="/A130858/b130858.txt">Table of n, a(n) for n = 0..1000</a> %K A130858 nonn %O A130858 0,2 %A A130858 _Zak Seidov_ and _Giovanni Resta_, Aug 22 2007