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 A225775 #13 Nov 10 2013 16:05:40 %S A225775 0,9,36844389,129894940,446591224981504 %N A225775 Numbers k such that antisigma(x) = antisigma(x+1) = k has solution. %C A225775 Antisigma(n) = A024816(n) = the sum of the nondivisors of n that are between 1 and n. %C A225775 Conjecture: also numbers k such that antisigma(n) = antisigma(m) = k has solution for distinct numbers n and m. - _Jaroslav Krizek_, Nov 10 2013 %e A225775 36844389 is in the sequence because 36844389 = antisigma(8585) = antisigma(8586). %Y A225775 Cf. A067816 (numbers n such that antisigma(n) = antisigma(n+1)). %K A225775 nonn %O A225775 1,2 %A A225775 _Jaroslav Krizek_, Jul 26 2013