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 A179268 #11 Sep 08 2022 08:45:54
%S A179268 1,24,181440,3487131648000,646300418472124416000000,
%T A179268 3099944389915843478899995401256960000000,
%U A179268 844835922269816056767016893501799134566045599137792000000000
%N A179268 Product of numbers between and including n and n^2.
%C A179268 a(n) = Product_{k=n..n^2} k;
%C A179268 a(n) = A088020(n)/A000142(n-1).
%H A179268 Vincenzo Librandi, <a href="/A179268/b179268.txt">Table of n, a(n) for n = 1..23</a>
%F A179268 a(n) = (n^2)! / (n-1)!.
%e A179268 a(2) = 2*3*4 = 24;
%e A179268 a(3) = 3*4*5*6*7*8*9 = 181440.
%t A179268 Table[Times@@Range[n,n^2],{n,10}] (* _Harvey P. Dale_, Sep 16 2020 *)
%o A179268 (Magma) [Factorial(n^2) / Factorial(n-1): n in [1..10]]; // _Vincenzo Librandi_, May 31 2011
%Y A179268 Cf. A126804, A027441.
%K A179268 nonn
%O A179268 1,2
%A A179268 _Reinhard Zumkeller_, Jul 06 2010
%E A179268 Definition clarified by _Harvey P. Dale_, Sep 16 2020