%I A126663
%S A126663 1,0,2,2,2,2,4,6,8,2,6,10,12,6,10,16,10,6,8,10,2,18,10,14,26,30,24,26,
%T A126663 14,16,18,16,28,34,16,14,36,42,6,50,20,2,24,48,20,24,58,16,44,42,48,26,
%U A126663 30,60,70,46,30,28,24,20,80,30,34,72,12,62,84,52,36,64,12,78,36,56,96
%N A126663 Absolute difference between largest prime factors of two successive semiprimes.
%C A126663 Absolute first difference of A084127.
%e A126663 a(1) = 1 because 4 = 2*2 and 6 = 2*3 so 3 - 2 = 1;
%e A126663 a(2) = 0 because 6 = 2*3 and 9 = 3*3 so 3 - 3 = 0;
%e A126663 a(3) = 2 because 9 = 3*3 snd 10 = 2*5 so 5 - 3 = 2.
%Y A126663 Cf. A001358, A006530, A084127.
%Y A126663 Sequence in context: A064877 A008363 A097198 this_sequence A032600 A103260 
               A060824
%Y A126663 Adjacent sequences: A126660 A126661 A126662 this_sequence A126664 A126665 
               A126666
%K A126663 easy,nonn
%O A126663 1,3
%A A126663 Giovanni Teofilatto (g.teofilatto(AT)tiscalinet.it), Mar 23 2007
%E A126663 Edited and extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), 
               Mar 25 2007