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 A139185 #12 Sep 08 2022 08:45:33
%S A139185 11,71,503,4031,36287,362879,3991679,47900159,622702079,8717829119,
%T A139185 130767436799,2092278988799,35568742809599,640237370572799,
%U A139185 12164510040883199,243290200817663999
%N A139185 a(n) = (n! - 10)/10.
%C A139185 Original name: Natural numbers of the form (n!-10)/10.
%H A139185 Vincenzo Librandi, <a href="/A139185/b139185.txt">Table of n, a(n) for n = 5..300</a>
%p A139185 seq((factorial(n)-10)/10,n=5..25); # _Muniru A Asiru_, Oct 20 2018
%t A139185 Table[(n! - 10)/10, {n, 5, 20}]
%o A139185 (Magma) [(Factorial(n)-10)/10: n in [5..25]]; // _Vincenzo Librandi_, Jul 20 2011
%o A139185 (GAP) List([5..25],n->(Factorial(n)-10)/10); # _Muniru A Asiru_, Oct 20 2018
%Y A139185 Cf. A033312, A139172, A139173, A139174, A139175, A139176, A139177, A139183, A139184.
%K A139185 nonn,easy
%O A139185 5,1
%A A139185 _Artur Jasinski_, Apr 11 2008
%E A139185 New name from _Jon E. Schoenfield_, Oct 19 2018