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A071550
a(n) = (8n)!/n!^8.
7
1, 40320, 81729648000, 369398958888960000, 2390461829733887910000000, 18975581770994682860770223800320, 171889289584866507880743491472699801600
OFFSET
0,2
LINKS
MATHEMATICA
Table[(8 n)!/(n)!^8, {n, 0, 20}] (* Vincenzo Librandi, Aug 13 2014 *)
PROG
(Magma) [Factorial(8*n)/Factorial(n)^8: 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), A071551 (k = 9), A071552 (k = 10).
Sequence in context: A227670 A172541 A287084 * A181724 A072269 A259113
KEYWORD
nonn
AUTHOR
Benoit Cloitre, May 30 2002
STATUS
approved