Search: id:A080101
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%I A080101
%S A080101 0,1,0,2,0,1,0,0,2,0,1,0,0,0,1,0,0,1,0,0,0,1,0,0,0,0,0,0,0,2,1,0,0,0,0,
%T A080101 0,0,0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,1,1,0,0,0,0,0,0,1,0,0,0,0,0,0,1,0,0,
%U A080101 0,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,1,0,0,0,0,0,0
%N A080101 Number of prime powers in all composite numbers between n-th prime and 
               next prime.
%e A080101 There are two prime powers between 2179=A000040(327) and 2203=A000040(328): 
               2187=3^7 and 2197=13^3, therefore a(327)=2, A080102(327)=2187 and 
               A080103(327)=2197.
%Y A080101 Cf. A080102, A080103, A025475, A000961.
%Y A080101 Sequence in context: A078979 A063974 A144628 this_sequence A025895 A104451 
               A106602
%Y A080101 Adjacent sequences: A080098 A080099 A080100 this_sequence A080102 A080103 
               A080104
%K A080101 nonn
%O A080101 1,4
%A A080101 Reinhard Zumkeller (reinhard.zumkeller(AT)gmail.com), Jan 28 2003

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