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 A117555 #8 Mar 11 2021 17:01:06 %S A117555 1,2,3,4,12,22,27,31,99,171,3125,6691,11664,18355,84814,103169 %N A117555 Equal divisions of the octave of decreasing seven-limit Pepper ambiguity. %C A117555 We may define the n-limit Pepper ambiguity, for any odd number greater than one n, 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. In the 7-limit, that means we look at the ratios of the errors for the nearest approximations to 3/2, 5/4, 5/3, 7/4, 7/5 and 7/6 to the next nearest. %H A117555 Wikipedia, <a href="http://en.wikipedia.org/wiki/Tonality_diamond">Tonality diamond</a> %Y A117555 Cf. A117554, A117556, A117557, A117558, A117559, A005664, A117536, A117538. %K A117555 more,nonn %O A117555 0,2 %A A117555 _Gene Ward Smith_, Mar 28 2006