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 A291160 #9 Jun 28 2020 18:51:25 %S A291160 14,23,16,21,18,19,12,25,27,1,36,3,34,5,32,7,30,9,14,23,16,21,18,19, %T A291160 12,25,27,1,36,3,34,5,32,7,30,9 %N A291160 Sequence of red numbers on the double zero (American) roulette wheel read counterclockwise. %C A291160 The angular spacing on the rotor between the red numbers 9 and 14 is 4*Pi/19 due to the insertion of black 28, single zero and black 2. The spacing of all other red neighbors is 2*Pi/19 due to one inserted black number or the double zero between the red numbers 27 and 1. %H A291160 Roulettephysics.com, <a href="https://www.roulettephysics.com/roulette-wheel-diagram-picture/">Roulette Wheel Diagram Picture.</a> %Y A291160 Cf. A069892, A069893, A291151, A291152, A291154, A291155, A291156, A291157, A291158, A291159, A291161, A291162, A291171. %K A291160 nonn,fini,full %O A291160 1,1 %A A291160 _Hugo Pfoertner_, Aug 19 2017