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%I
%S 2,4,4,5,6,7,8,9,11,11,12,13,14,16,16,17,18,19,20,21,23,23,24,25,27,
%T 27,29,29,30,31,32,33,36,36,36,37,38,40,40,41,42,43,44,46,46,47,48,49,
%U 50,51,52,53,54,55,56,57,59,59,60,61,62,63,64
%N Least m>n such that the number of prime factors of m and n differ at least by 1.
%C abs(A001222(a(n)) - A001222(n)) >= 1.
%Y Cf. A071192, A071191.
%K nonn
%O 1,1
%A _Reinhard Zumkeller_, May 15 2002
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