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 A132369 #9 Mar 07 2025 21:30:33
%S A132369 1,1,2,2,6,6,24,24,24,24,120,120,720,720,720,720,5040,5040,40320,
%T A132369 40320,40320,40320,362880,362880,362880,362880,362880,362880,3628800,
%U A132369 3628800,39916800,39916800,39916800,39916800,39916800,39916800,479001600
%N A132369 a(n) = PrimePi(n)!.
%t A132369 Table[PrimePi[n]!,{n,37}] (* _James C. McMahon_, Mar 07 2025 *)
%Y A132369 Cf. A000720.
%K A132369 easy,nonn
%O A132369 1,3
%A A132369 _Giovanni Teofilatto_, Nov 09 2007
%E A132369 Extended by _Ray Chandler_, Mar 02 2009