This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A231365 #5 Nov 10 2013 14:25:12 %S A231365 0,0,2,3,9,9,20,21,32,37,50,54,77,81,96,105,132,135,168,170,199,217, %T A231365 240,252,294,309,338,350,393,405,464,465,513,541,575,582,665,681,724, %U A231365 730,807,819,902,906,957,1009,1052,1080,1168,1182,1254,1280,1365,1377 %N A231365 Values taken by the antisigma function (A024816), sorted into ascending order. %C A231365 Antisigma(n) = A024816(n) = the sum of the non-divisors of n that are between 1 and n. %H A231365 Jaroslav Krizek, <a href="/A231365/b231365.txt">Table of n, a(n) for n = 1..1000</a> %Y A231365 Cf. A007609 (values taken by the sigma(n) sorted into ascending order), A231366, A231367, A231368, A231369. %K A231365 nonn %O A231365 1,3 %A A231365 _Jaroslav Krizek_, Nov 09 2013