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 A175821 #14 Jun 26 2025 13:10:38
%S A175821 6,8,9,10,14,15,16,20,21,27,28,34,35,36,44,45,46,54,55,56,64,65,66,76,
%T A175821 77,78,80,90,91,92,102,104,105,118,119,120,122,135,136,138,150,152,
%U A175821 153,168,170,171,172,188,189,190,192,207,208,209,210,228,230,231,232,250,252,253,254,255,256,275,276,278,296,297,298,299,300,320,322,324,325,326,327,328,348,350,351,352,354,375,376,377,378,380,381,400,402,404,405,406,408
%N A175821 A007318-abundant numbers.
%C A175821 The comment in A175522 contains a definition.
%H A175821 Amiram Eldar, <a href="/A175821/b175821.txt">Table of n, a(n) for n = 1..10000</a>
%F A175821 A000027 \ { A175807 U A175811}. [_R. J. Mathar_, Dec 06 2010]
%Y A175821 Cf. A175807 (perfect version), A175811 (deficient version), A007318, A005100, A005101.
%K A175821 nonn,less
%O A175821 1,1
%A A175821 _Vladimir Shevelev_, Dec 05 2010
%E A175821 Terms beyond 27 from _R. J. Mathar_, Dec 06 2010