%I A147630
%S A147630 1,6,90,2160,71280,2993760,152681760,9160905600,632102486400,
%T A147630 49303993939200,4289447472710400,411786957380198400,
%U A147630 43237630524920832000,4929089879840974848000,606278055220439906304000
%N A147630 9-factorial numbers (5).
%F A147630 a(n+1)=Sum_{k, 0<=k<=n}A132393(n,k)*6^k*9^(n-k). [From Philippe DELEHAM 
               (kolotoko(AT)wanadoo.fr), Nov 09 2008]
%t A147630 s=1;lst={s};Do[s+=n*s;AppendTo[lst,s],{n,5,2*5!,9}];lst
%Y A147630 Cf. A147629, A049211, A051232, A045756, A035012, A035013, A035017, A035018, 
               A035020, A035022, A035023, A053116
%Y A147630 Sequence in context: A002896 A004996 A001499 this_sequence A132467 A000680 
               A013297
%Y A147630 Adjacent sequences: A147627 A147628 A147629 this_sequence A147631 A147632 
               A147633
%K A147630 nonn
%O A147630 1,2
%A A147630 Vladimir Orlovsky (4vladimir(AT)gmail.com), Nov 08 2008