OFFSET
1,8
FORMULA
a(A036438(n))=0 . It seems that sum(k=1, n, a(k)) is asymptotic to C*n with 1.5<C<2
PROG
(PARI) a(n)=vecmin(vector(n, k, abs(n-k*numdiv(k))))
CROSSREFS
KEYWORD
nonn
AUTHOR
Benoit Cloitre, Aug 17 2002
STATUS
approved