%I A057110
%S A057110 0,0,0,0,0,0,0,4,3,0,0,0,0,0,0,10,0,3,0,0,0,0,0,4,15,0,18,0,0,0,0,24,0,
%T A057110 0,0,3,0,0,0,3,0,0,0,0,3,0,0,10,35,15,0,0,0,18,0,1,0,0,0,0,0,0,2,56,0,
%U A057110 0,0,0,0,0,0,3,0,0,15,0,0,0,0,10,72,0,0,0,0,0,0,0,0,4
%N A057110 Difference between largest prime power factor of n and the smallest number 
               S(n) with S(n)! a multiple of n [taking a(1)=0].
%F A057110 a(n) =A034699(n)-A002034(n)
%e A057110 a(18)=3 since 18 is a factor of 6!, 9 is the largest prime power factor 
               of 18 and 9-6=3
%Y A057110 Cf. A057108, A057111.
%Y A057110 Sequence in context: A118202 A089331 A125856 this_sequence A073275 A030120 
               A058878
%Y A057110 Adjacent sequences: A057107 A057108 A057109 this_sequence A057111 A057112 
               A057113
%K A057110 easy,nonn
%O A057110 1,8
%A A057110 Henry Bottomley (se16(AT)btinternet.com), Aug 08 2000