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 A155914 #12 Jul 23 2018 02:48:56 %S A155914 0,11,7,4,2,9,3,8,10,1,5,6 %N A155914 Example of an all interval series: the 12 integers 0..11 sorted such that the first differences contain all numbers from 1 to 11 (mod 12). %C A155914 "All-interval" means that the differences 11-0=11, 7-11=-4, 4-7=-3, ..., 6-5=1 read modulo 12 contain all numbers (intervals) from 1 to 11. %C A155914 This is one of 3856 such sequences. %C A155914 The Anders link contains a source program written in Strasheela, formulated as a constrained satisfaction problem (CSP). %D A155914 Robert Morris and Daniel Starr, The Structure of All-Interval Series, 1974, Yale University Department of Music. %H A155914 Torsten Anders, <a href="http://strasheela.sourceforge.net/strasheela/doc/Example-AllIntervalSeries.html">All Interval Series</a>, (2009). %H A155914 Milan Gustar, <a href="http://www.uvnitr.cz/music_theory/rady.html">More information</a> %H A155914 Milan Gustar, <a href="http://www.uvnitr.cz/downloads.html">Programs and data</a> %Y A155914 Cf. A141598, A141599. %K A155914 nonn,less,fini,full %O A155914 1,2 %A A155914 Craig Bourne (cbourne(AT)cbourne.com), Jan 30 2009