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 A070845 #5 Dec 05 2013 19:55:19 %S A070845 1,97,961,9998,83521,999981,4826809,99999994,999887641,9999999824, %T A070845 25937424601,999999999981,3138428376721,99999999998144, %U A070845 999997242389289,9999999999999997,45949729863572161,999999999999999252 %N A070845 Largest n-digit number with exactly n divisors, or 0 if no such number exists. %H A070845 Ray Chandler, <a href="/A070845/b070845.txt">Table of n, a(n) for n=1..41</a> %F A070845 If n is a prime >= 29 then a(n) = 0. - Chandler %Y A070845 Cf. A070844. %K A070845 base,nonn %O A070845 1,2 %A A070845 _Amarnath Murthy_, May 12 2002 %E A070845 a(6) from Antonio G. Astudillo (afg_astudillo(AT)lycos.com), Apr 07 2003 %E A070845 Extended by _Ray Chandler_, Feb 10 2009