%I
%S 4,3,2,3,1,1,0,5,1,6,2,1,5,8,0,11,8,2,6,14,1,3,8,0,1,
%T 14,1,20,19,4,12,2,4,18,9,6,26,20,4,32,26,1,18,32,0,11,35,
%U 9,3,41,9,1,40,11,15,46,10,30,26,1,49,15,3,55,3,10,53,50,14,59,32,1,50,21,5,56,5,6,36,70,2,21,38
%N Difference between the sums of the prime factors, including multiplicity, of n and those of n + 3.
%H Harvey P. Dale, <a href="/A090342/b090342.txt">Table of n, a(n) for n = 1..1000</a>
%F a(n) = A001414(n)  A001414(n+3).  _Wesley Ivan Hurt_, Aug 29 2016
%e a(24)=0 because 24=2*2*2*3, 27=3*3*3 and (2+2+2+3)(3+3+3)=0.
%t Join[{4},#[[1]]#[[4]]&/@(Partition[Table[Total[Flatten[Table[#[[1]], #[[2]]]&/@ FactorInteger[n]]],{n,2,90}],4,1])] (* _Harvey P. Dale_, Sep 16 2018 *)
%Y Cf. A001414, A090340, A090341, A090343.
%K sign
%O 1,1
%A Charles K. Layman (cklayman(AT)juno.com), Nov 25 2003
