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 A131500 #11 Jun 16 2017 02:44:08 %S A131500 4,7,10,16,28,52,100,196,292,388 %N A131500 Radii of orbits of planets in solar system, in units of radius of orbit of Mercury, multiplied by 4. %C A131500 A003461 is the classical version of this sequence. - _N. J. A. Sloane_, Aug 15 2007 %C A131500 (Titius %C A131500 Bode %C A131500 n Planet Conversion Result TitiusBode Result Result)*4 %C A131500 = ======= ==================== =================== ========= %C A131500 1 Mercury 0.387/0.387 = 1.00 (3/4)*0 + 1 = 1 4 %C A131500 2 Venus 0.723/0.387 = 1.87 (3/4)*1 + 1 = 1.75 7 %C A131500 3 Earth 1.000/0.387 = 2.58 (3/4)*2 + 1 = 2.5 10 %C A131500 4 Mars 1.524/0.387 = 3.94 (3/4)*4 + 1 = 4 16 %C A131500 5 AstrBlt 2.77 /0.387 = 7.16 (3/4)*8 + 1 = 7 28 %C A131500 6 Jupiter 5.203/0.387 = 13.44 (3/4)*16 + 1 = 13 52 %C A131500 7 Saturn 9.539/0.387 = 24.65 (3/4)*32 + 1 = 25 100 %C A131500 8 Uranus 19.18/0.387 = 49.56 (3/4)*64 + 1 = 49 196 %C A131500 9 Neptune 30.06/0.387 = 77.67 (3/4)*96 + 1 = 73 292 %C A131500 10 Pluto 39.44/0.387 = 101.91 (3/4)*128 + 1 = 97 388 %C A131500 Includes both Neptune's and Pluto's orbits, which are missing from A003461. %K A131500 nonn %O A131500 1,1 %A A131500 _Alexander R. Povolotsky_, Aug 12 2007, Aug 20 2007 %E A131500 Edited by _N. J. A. Sloane_, Oct 23 2009