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 A240533 #11 Sep 08 2022 08:46:07
%S A240533 1,1,1,3,3,3,9,63,63,567,567,6237,18711,243243,1702701,5108103,
%T A240533 5108103,86837751,781539759,14849255421,14849255421,311834363841,
%U A240533 3430178002251,78894094051773,236682282155319,236682282155319,3076869668019147,83075481036516969
%N A240533 a(n) = numerators of n!/10^n.
%H A240533 Vincenzo Librandi, <a href="/A240533/b240533.txt">Table of n, a(n) for n = 0..200</a>
%t A240533 Table[Numerator[n!/10^n], {n, 0, 30}]
%o A240533 (Magma) [Numerator(Factorial(n)/10^n): n in [0..30]];
%Y A240533 Cf. A000142, A011557, A014973, A074143, A092043, A208529.
%K A240533 nonn,frac
%O A240533 0,4
%A A240533 _Vincenzo Librandi_, Apr 14 2014