%I A139717
%S A139717 0,2,6,0,20,3,42,8,0,15,110,4,156,35,10,0,272,18,342,5,28,99,506,12,0,
%T A139717 143,54,21,812,6,930,32,88,255,14,0,1332,323,130,24,1640,7,1806,77,36,
%U A139717 483,2162,16,0,50,238,117,2756,27,66,8,304,783,3422,40,3660,899,18,0
%N A139717 If k is the smallest divisor of n that is >= sqrt(n) then a(n) = k^2 
               - n.
%C A139717 a(p) = p*(p-1) for all primes p. a(n^2) = 0 for all positive integers 
               n.
%H A139717 Leroy Quet, <a href="http://www.prism-of-spirals.net/">Home Page</a> 
               (listed in lieu of email address)
%Y A139717 Cf. A139716, A033677.
%Y A139717 Sequence in context: A065344 A131105 A057635 this_sequence A138703 A106458 
               A122685
%Y A139717 Adjacent sequences: A139714 A139715 A139716 this_sequence A139718 A139719 
               A139720
%K A139717 nonn
%O A139717 1,2
%A A139717 Leroy Quet May 01 2008
%E A139717 Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Jul 01 2009