%I #15 Sep 08 2022 08:45:06
%S 1,3628800,2375880867360000,4386797336285844480000000,
%T 12868639981414579848070084500000000,
%U 49120458506088132224064306071170476903628800
%N a(n) = (10n)!/n!^10.
%H Vincenzo Librandi, <a href="/A071552/b071552.txt">Table of n, a(n) for n = 0..100</a>
%t Table[(10n)!/(n)!^10, {n, 0, 20}] (* _Vincenzo Librandi_, Aug 13 2014 *)
%o (Magma) [Factorial(10*n)/Factorial(n)^10: n in [0..20]]; // _Vincenzo Librandi_, Aug 13 2014
%Y Sequences (k*n)!/n!^k: A000984 (k = 2), A006480 (k = 3), A008977 (k = 4), A008978 (k = 5), A008979 (k = 6), A071549 (k = 7), A071550 (k = 8), A071551 (k = 9).
%K nonn
%O 0,2
%A _Benoit Cloitre_, May 30 2002