1,8
See A066272 for definition of anti-divisor.
For n=13, anti-divisors={2,3,5,9}; differences={1,2,4}; a(13) = smallest difference = 1.
Cf. A066272.
Sequence in context: A007738 A186520 A158570 * A194524 A117136 A139227
Adjacent sequences: A074746 A074747 A074748 * A074750 A074751 A074752
more,nonn
Jason Earls (zevi_35711(AT)yahoo.com), Sep 06 2002