Search: id:A112757
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%I A112757
%S A112757 1,1,1,1,1,2,1,1,2,3,1,2,2,4,1,1,3,2,4,4,5,3,2,2,6,4,8,3,5,1,9,6,4,4,12,
%T A112757 5,1,1,9,6,10,2,18,12,8,8,9,15,3,1,2,2,18,12,20,4,36,15,3,16,5,27,18,30,
%U A112757 6,2,4,4,36,24,25,5,8,27,45,9,3,6,32,10,54,36,60,12,4,8,8,45,9,48,15,5
%N A112757 Greatest common divisors of consecutive 5-smooth numbers.
%C A112757 a(n) = GCD(A051037(n),A051037(n+1)).
%Y A112757 Cf. A112752.
%Y A112757 Sequence in context: A048207 A105810 A063726 this_sequence A118492 A079246 
               A070990
%Y A112757 Adjacent sequences: A112754 A112755 A112756 this_sequence A112758 A112759 
               A112760
%K A112757 nonn
%O A112757 1,6
%A A112757 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Sep 18 2005

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