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 A018854 #15 Jan 29 2017 07:32:52 %S A018854 1,2,362880,40320,5040,6,720,87178291200 %N A018854 Smallest factorial that begins with n. %C A018854 a(9) = 96! is too large to include, see b-file. %H A018854 Seiichi Manyama, <a href="/A018854/b018854.txt">Table of n, a(n) for n = 1..57</a> %F A018854 a(n) = A018799(n)!. - _Seiichi Manyama_, Jan 29 2017 %Y A018854 Cf. A018799. %K A018854 nonn,base %O A018854 1,2 %A A018854 _David W. Wilson_