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 A291156 #11 Jun 28 2020 18:49:42 %S A291156 3,12,7,18,9,14,1,16,5,23,30,36,27,34,25,21,19,32,3,12,7,18,9,14,1,16, %T A291156 5,23,30,36,27,34,25,21,19,32 %N A291156 Sequence of red numbers on the single zero (European) roulette wheel read counterclockwise. %C A291156 The angular spacing on the rotor between the red numbers 32 and 3 is 6*Pi/37 due to the inserted zero and the black 26. The spacing of all other red neighbors is 4*Pi/37 due to one inserted black number. %H A291156 Roulettephysics.com, <a href="https://www.roulettephysics.com/roulette-wheel-diagram-picture/">Roulette Wheel Diagram Picture.</a> %Y A291156 Cf. A069892, A069893, A291151, A291152, A291154, A291155, A291157, A291158, A291159, A291160, A291161, A291162, A291171. %K A291156 nonn,fini,full %O A291156 1,1 %A A291156 _Hugo Pfoertner_, Aug 19 2017