Search: id:A136565
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%I A136565
%S A136565 0,1,1,2,1,1,1,3,2,1,1,3,1,1,1,4,1,3,1,3,1,1,1,4,2,1,3,3,1,1,1,5,1,1,1,
%T A136565 2,1,1,1,4,1,1,1,3,3,1,1,5,2,3,1,3,1,4,1,4,1,1,1,3,1,1,3,6,1,1,1,3,1,1,
%U A136565 1,5,1,1,3,3,1,1,1,5,4,1,1,3,1,1,1,4,1,3,1,3,1,1,1,6,1,3,3,2,1,1,1,4,1
%N A136565 a(n) = sum of the distinct values making up the exponents in the prime-factorization 
               of n.
%H A136565 Diana Mecum, <a href="b136565.txt">Table of n, a(n) for n = 1..1000</
               a>
%H A136565 Leroy Quet, <a href="http://www.prism-of-spirals.net/">Home Page</a> 
               (listed in lieu of email address)
%e A136565 120 = 2^3 * 3^1 * 5^1. The exponents of the prime factorization are therefore 
               3,1,1. The distinct values which equal these exponents are 1 and 
               3. So a(120) = 1+3 = 4.
%Y A136565 Cf. A071625, A136566, A136568.
%Y A136565 Sequence in context: A000688 A038538 A088529 this_sequence A086291 A016442 
               A076360
%Y A136565 Adjacent sequences: A136562 A136563 A136564 this_sequence A136566 A136567 
               A136568
%K A136565 nonn
%O A136565 1,4
%A A136565 Leroy Quet, Jan 07 2008
%E A136565 More terms from Diana Mecum (diana.mecum(AT)gmail.com), Jul 17 2008

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