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 A078156 #10 Jun 01 2025 23:59:16
%S A078156 0,0,0,0,46,702,7479,97902,1231886,15977798,208298944,3085485116,
%T A078156 45879947392,749485746579,12963973882204,236404256556347,
%U A078156 4415737043058504,88721524940832020,1830113429944169943,40228564066847381090,921832573196324390682
%N A078156 A078153(n!).
%F A078156 a(n) = A078153(n!) = A078162(n) - A062569(n)
%t A078156 Table[Length[Union[Table[Floor[w!/j], {j, 1, w!}]]] -DivisorSigma[1, w! ], {w, 1, 9}]
%Y A078156 Cf. A078152, A078153, A078154, A078155, A078156, A078157, A078158.
%K A078156 nonn
%O A078156 1,5
%A A078156 _Labos Elemer_, Nov 27 2002
%E A078156 Terms a(10) onward from _Max Alekseyev_, Feb 12 2012