Search: id:A070226
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%I A070226
%S A070226 1,2,9,12,18,80,448,625,720,1200,1250,1620,2025,4032,4050,5625,7500,
%T A070226 9408,11250,11264,20412,35721,53248,71442,101376,117649,235298,280000,
%U A070226 371712,479232,768320,907200,1058841,1114112,1270080,1411788,1750000
%N A070226 Numbers n such that the square-free kernel of n is equal to the number 
               of divisors of n.
%C A070226 Numbers n such that A007947(n)/A000005(n) = 1. [From Ctibor O. Zizka 
               (c.zizka(AT)email.cz), Feb 05 2009]
%C A070226 Conjecture : If A000005(n) divides A007947(n) for some n, then A007947(n)=A000005(n). 
               [From Ctibor O. Zizka (c.zizka(AT)email.cz), Feb 05 2009]
%Y A070226 Cf. A007947, A000005, A033950.
%Y A070226 Sequence in context: A031070 A109297 A048768 this_sequence A129829 A053900 
               A126977
%Y A070226 Adjacent sequences: A070223 A070224 A070225 this_sequence A070227 A070228 
               A070229
%K A070226 nonn
%O A070226 1,2
%A A070226 Jason Earls (zevi_35711(AT)yahoo.com), May 07 2002

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