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Search: id:A109674
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%I A109674
%S A109674 1,2,3,2,5,3,7,2,3,2,11,3,13,2,3,2,17,3,19,2,3,2,23,3,5,2,3,2,29,3,31,
               2,
%T A109674 3,2,5,3,37,2,3,2,41,3,43,2,3,2,47,3,7,2,3,2,53,3,5,2,3,2,59,3,61,2,3,
               2,
%U A109674 5,3,67,2,3,2,71,3,73,2,3,2,7,3,79,2,3,2,83,3,5,2,3,2,89,3,7,2,3,2,5,3
%N A109674 a(n)^(n/a(n)) = A092975(n) and a(n) is a prime.
%p A109674 A092975 := proc(n) local d,a ; a :=0 ; for d in numtheory[divisors](n) 
               do a := max(a, (n/d)^d) ; od: RETURN(a) ; end: A109674 := proc(n) 
               local d,a092975,p ; if n = 1 then RETURN(1) ; fi ; a092975 := A092975(n) 
               ; for d in numtheory[divisors](n) do p := n/d ; if isprime(p) and 
               p^(n/p) = a092975 then RETURN(p) ; fi ; od: end: seq( A109674(n),
               n=1..120) ; - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 12 
               2008
%Y A109674 Sequence in context: A078834 A039634 A078833 this_sequence A067629 A079870 
               A076690
%Y A109674 Adjacent sequences: A109671 A109672 A109673 this_sequence A109675 A109676 
               A109677
%K A109674 easy,nonn
%O A109674 1,2
%A A109674 Vladeta Jovovic (vladeta(AT)eunet.rs), Aug 06 2005
%E A109674 More terms from R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 12 2008

    
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Last modified December 16 17:18 EST 2009. Contains 170825 sequences.


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