%I A071551
%S A071551 1,362880,12504636144000,1080491954750208000000,
%T A071551 140810154080474667338550000000,23183587808948692737291767860055162880,
%U A071551 4439413043841128802009762476941510771390464000
%N A071551 (9n)!/n!^9.
%Y A071551 Sequence in context: A029577 A133360 A160319 this_sequence A156115 A125001 
               A017537
%Y A071551 Adjacent sequences: A071548 A071549 A071550 this_sequence A071552 A071553 
               A071554
%K A071551 nonn
%O A071551 0,2
%A A071551 Benoit Cloitre (benoit7848c(AT)orange.fr), May 30 2002