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 A078162 #10 Oct 31 2023 12:36:18
%S A078162 1,1,3,12,60,406,3120,26823,257022,2712926,31311886,392308000,
%T A078162 5302926524,76924127104,1191973363059,19650226851964,343408795841627,
%U A078162 6341818750193544,123405357866753108,2523790088462591703,54119963305579115810,1214292989338825766682
%N A078162 a(n) = A051201(n!).
%t A078162 Table[ Apply[ Plus, Union[ Table[ Floor[w!/j], {j, 1, w!}]]], {w, 1, 11}]
%Y A078162 Cf. A051201, A078159, A078160, A078161.
%K A078162 nonn
%O A078162 0,3
%A A078162 _Labos Elemer_, Nov 27 2002
%E A078162 Extended by _Robert G. Wilson v_, Dec 02 2002
%E A078162 Terms a(12) onward from _Max Alekseyev_, Feb 12 2012
%E A078162 a(0)=1 prepended by _Alois P. Heinz_, Oct 31 2023