Search: id:A056690
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%I A056690
%S A056690 0,0,1,1,3,5,12,27,62,149,371,952,2513,6807,18873,53472,154554,455076,
%T A056690 1363287,4150560,12829558,40227005,127843589,411512640,1340747909,
%U A056690 4418886387,14724633149,49582195801,168638834537,579103599979
%N A056690 floor[product_{k=2 to n}[ln(k)]].
%H A056690 Leroy Quet, <a href="http://www.prism-of-spirals.net/">Home Page</a> 
               (listed in lieu of email address)
%e A056690 ln(2)*ln(3)*ln(4)*ln(5)= 1.699... So a(5) = 1, since the integer part 
               of 1.699... is 1.
%Y A056690 Sequence in context: A017921 A161762 A005913 this_sequence A066951 A046091 
               A002905
%Y A056690 Adjacent sequences: A056687 A056688 A056689 this_sequence A056691 A056692 
               A056693
%K A056690 easy,nonn
%O A056690 2,5
%A A056690 Leroy Quet Aug 10 2000

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