A071552 a(n) = (10n)!/n!^10.

1, 3628800, 2375880867360000, 4386797336285844480000000, 12868639981414579848070084500000000, 49120458506088132224064306071170476903628800

Offset

0,2

Links

Vincenzo Librandi, Table of n, a(n) for n = 0..100

Mathematica

Table[(10n)!/(n)!^10, {n, 0, 20}] (* Vincenzo Librandi, Aug 13 2014 *)

Prog

(Magma) [Factorial(10*n)/Factorial(n)^10: n in [0..20]]; // Vincenzo Librandi, Aug 13 2014

Crossrefs

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).

Sequence in context: A213872 A227672 A172540 * A181726 A195394 A053501

Adjacent sequences: A071549 A071550 A071551 * A071553 A071554 A071555

Keyword

nonn

Author

Benoit Cloitre, May 30 2002

Status

approved