Search: id:A092978
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%I A092978
%S A092978 2,8,16,128,256,3072,6144,98304,196608,3932160,7864320,188743680,
%T A092978 25165824,704643072,21139292160,676457349120,1352914698240,
%U A092978 48704929136640,4638564679680,185542587187200,7792788661862400
%N A092978 (Product of first n even numbers)/(product of first k odd numbers) where 
               k is chosen to give the least integer.
%F A092978 For n even, a(n+1)=2*a(n); for n odd, a(n+1)=2(n+1)*a(n). For n even, 
               a(n)=[2^(3n/2)]*(n/2)!; for n odd, a(n)=[2^( (3n-1)/2)]*((n-1)/2)!. 
               - Mark Hudson (mrmarkhudson(AT)hotmail.com), Jul 23 2004
%e A092978 a(5) = 256 = (2*4*6*8*10)/(1*3*5) as (2*4*6*8*10)/(1*3*5*7) is not an 
               integer, here k = 3.
%Y A092978 Sequence in context: A100736 A099888 A046161 this_sequence A101059 A101658 
               A006573
%Y A092978 Adjacent sequences: A092975 A092976 A092977 this_sequence A092979 A092980 
               A092981
%K A092978 nonn
%O A092978 1,1
%A A092978 Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Mar 27 2004
%E A092978 More terms from Mark Hudson (mrmarkhudson(AT)hotmail.com), Jul 23 2004
%E A092978 Corrected and extended by Sam Handler (sam_5_5_5_0(AT)yahoo.com), Oct 
               23 2004

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