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 A117559 #5 Oct 02 2013 16:16:06 %S A117559 1,2,7,8,24,58,111,130,224,270,494,2190,2684,5585,6079,14618,20203, %T A117559 81860,96478 %N A117559 Equal divisions of the octave of decreasing fifteen-limit Pepper ambiguity. %C A117559 We may define the n-limit Pepper ambiguity, for any odd number n greater than one, as the maximum of the ratios of the errors of the nearest approximation to the members of the n-limit tonality diamond to the next nearest. %H A117559 Wikipedia, <a href="http://en.wikipedia.org/wiki/Tonality_diamond">Tonality diamond</a> %Y A117559 Cf. A117554, A117555, A117556, A117557, A117559, A005664, A117536, A117538. %K A117559 more,nonn %O A117559 0,2 %A A117559 _Gene Ward Smith_, Mar 28 2006