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 A176800 #2 Mar 30 2012 19:00:24 %S A176800 1,3,7,11,13,21,21,35,43,43,61,63,77,85,91,111,119,129,147,157,171, %T A176800 183,185,231,245,255,255,273,301,301 %N A176800 a(n) = all values of A176797(m) in increasing order, where A176797(m) = antiharmonic means of divisors of antiharmonic numbers A020487. %K A176800 nonn %O A176800 1,2 %A A176800 _Jaroslav Krizek_, Apr 26 2010