Search: id:A112763
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%I A112763
%S A112763 1,2,3,2,5,2,2,3,2,2,3,2,2,2,2,5,3,2,2,2,2,3,2,2,2,2,2,2,3,2,3,2,2,2,2,
%T A112763 2,5,2,3,2,2,2,2,2,2,2,2,3,2,3,2,2,2,2,2,2,2,2,3,2,2,3,2,2,2,2,2,2,2,2,
%U A112763 2,5,2,2,3,2,3,2,2,2,2,2,2,2,2,2,2,2,3,2,2,3,2,2,2,2,2,2,2,2,2,2,2,2,3
%N A112763 Smallest prime factor of n-th 5-smooth number.
%C A112763 a(n) = A020639(A051037(n));
%C A112763 a(n) <= A112764(n) <= 5.
%Y A112763 Cf. A112755, A086410.
%Y A112763 Sequence in context: A053139 A124386 A098668 this_sequence A093476 A066727 
               A076606
%Y A112763 Adjacent sequences: A112760 A112761 A112762 this_sequence A112764 A112765 
               A112766
%K A112763 nonn
%O A112763 1,2
%A A112763 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Sep 18 2005

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