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 A066559 #21 Dec 07 2024 18:31:33
%S A066559 1,5,34,250,2000,16667,142858,1250000,11111112,100000000,909090910,
%T A066559 8333333334,76923076924,714285714286,6666666666667,62500000000000,
%U A066559 588235294117648,5555555555555556,52631578947368422,500000000000000000
%N A066559 a(n) = ceiling(10^(n-1)/n).
%H A066559 Harry J. Smith, <a href="/A066559/b066559.txt">Table of n, a(n) for n = 1..150</a>
%F A066559 a(n) = A053041(n)/n.
%p A066559 A066559:=n->ceil(10^(n-1)/n); seq(A066559(n), n=1..30); # _Wesley Ivan Hurt_, Nov 28 2013
%t A066559 Table[Ceiling[10^(n - 1)/n], {n, 30}] (* _Wesley Ivan Hurt_, Nov 28 2013 *)
%o A066559 (PARI) a(n) = { ceil(10^(n-1)/n) } \\ _Harry J. Smith_, Feb 23 2010
%Y A066559 Cf. A053041, A066209, A066557, A066558.
%K A066559 nonn
%O A066559 1,2
%A A066559 _Amarnath Murthy_, Dec 17 2001
%E A066559 Corrected, extended by, and better name from _Vladeta Jovovic_, Dec 17 2001