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A244325 a(n) = floor(antisigma(n) / n), where antisigma(n) = A024816(n) = the sum of the non-divisors of n that are between 1 and n.

%I A244325 #11 Nov 09 2024 18:08:47
%S A244325 0,0,0,0,1,1,2,2,3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,
%T A244325 14,14,15,15,16,15,17,17,18,18,19,19,20,20,21,21,22,21,23,23,24,24,25,
%U A244325 25,26,26,27,27,28,27,29,29,30,30,31,31,32,32,33,33,34
%N A244325 a(n) = floor(antisigma(n) / n), where antisigma(n) = A024816(n) = the sum of the non-divisors of n that are between 1 and n.
%C A244325 a(36) is first term such that a(n) < a(n-1) - see A244326.
%H A244325 Jaroslav Krizek, <a href="/A244325/b244325.txt">Table of n, a(n) for n = 1..10000</a>
%e A244325 For n=10: a(10) = floor(antisigma(10)/10) = floor(37/10) = 3.
%o A244325 (Magma) [Floor((n*(n+1)div 2-SumOfDivisors(n))div n): n in [1..1000]];
%Y A244325 Cf. A024816, A244324, A244326.
%K A244325 nonn,easy
%O A244325 1,7
%A A244325 _Jaroslav Krizek_, Jun 25 2014