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 A060156 #8 Jul 03 2018 21:17:45
%S A060156 10,50,333,2500,20000,166666,1428571,12500000,111111111,1000000000,
%T A060156 9090909090,83333333333,769230769230,7142857142857,66666666666666,
%U A060156 625000000000000
%N A060156 a(n) = floor(10^n/n).
%H A060156 Harry J. Smith, <a href="/A060156/b060156.txt">Table of n, a(n) for n = 1..200</a>
%F A060156 a(n) = (A011557(n) - A056969(n))/n.
%e A060156 a(6) = floor(1000000/6) = 166666.
%o A060156 (PARI) { default(realprecision, 10); for (n=1, 200, write("b060156.txt", n, " ", floor(10^n/n)); ) } \\ _Harry J. Smith_, Jul 02 2009
%Y A060156 Cf. A000799, A056159, A060155.
%K A060156 nonn
%O A060156 1,1
%A A060156 _Henry Bottomley_, Mar 12 2001