Search: id:A118747
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%I A118747
%S A118747 2,6,30,210,1470,16170,210210,2732730,46456410,882671790,16770764010,
%T A118747 385727572230,8871734161290,204049885709670,5917446685580430,
%U A118747 183440847252993330,5686666264842793230,176286654210126590130
%N A118747 a(n) = product[k=1..n] P(k), where P(k) is the largest prime <= 2*k. 
               a(n) = product[k=1..n] A060308(k).
%Y A118747 Cf. A020482, A049653, A060266-A060268, A060264, A060265, A060308, A118455, 
               A118456, A118748.
%Y A118747 Sequence in context: A078700 A104561 A127482 this_sequence A129779 A068215 
               A096775
%Y A118747 Adjacent sequences: A118744 A118745 A118746 this_sequence A118748 A118749 
               A118750
%K A118747 easy,nonn
%O A118747 1,1
%A A118747 Jonathan Vos Post (jvospost3(AT)gmail.com), Apr 29 2006

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