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%I #3 Mar 30 2012 18:50:37
%S 0,2,3,4,5,7,6,6,11,13,8,17,19,23,10,9,29,31,10,37,41,43,47,14,53,59,
%T 61,12,67,71,73,79,12,83,89,97,101,103,107,109,113,22,15,127,14,131,
%U 137,139,149,151,157,163,167,26,173,179,181,191,193,197,199,211,223
%N Sum of prime factors of prime powers.
%C a(n) = A001414(A000961(n)).
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/PrimePower.html">Prime Power</a>.
%H Eric Weisstein's World of Mathematics, <a href="http://mathworld.wolfram.com/SumofPrimeFactors.html">Sum of Prime Factors.</a>
%F a(p^e) = e*p: a(n)=A025474(n)*A025473(n).
%K nonn
%O 1,2
%A _Reinhard Zumkeller_, Jul 20 2003
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