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 A185242 #21 Jun 23 2016 06:17:39 %S A185242 3,165,145,385,455,85,78,66,58,154,182,34,2,15,825,725,1925,2275,425, %T A185242 390,330,290,770,910,170,156,132,116,308,364,68,4,30,225,12375,10875, %U A185242 28875,25375,67375,79625,14875,13650,2550 %N A185242 Successive integers produced by Conway's PRIMEGAME, starting with 3 rather than 2. %C A185242 2 is nevertheless reached fairly soon, and after that the sequence proceeds exactly the same as A007542. %H A185242 Wikipedia, <a href="https://oeis.org/wiki/Conway's_PRIMEGAME">Conway's PRIMEGAME</a> %F A185242 a(n+12) = A007542 (n) for n > 0. - _Charles R Greathouse IV_, Jan 24 2012 %F A185242 a(n+1) = A203907(a(n)), a(1) = 3. - _Reinhard Zumkeller_, Jan 25 2012 %e A185242 After 3, we have 3 * 55 = 165 because none of the other fractions give an integer. Then we can use 29/33, and thus 165 * 29/33 = 145, and so on and so forth. %t A185242 (* First run the program for A203907 to define conwayProc *) NestList[conwayProc, 3, 50] %o A185242 (Haskell) %o A185242 a185242 n = a185242_list !! (n-1) %o A185242 a185242_list = iterate a203907 3 %o A185242 -- _Reinhard Zumkeller_, Jan 25 2012 %Y A185242 Cf. A007542, A203907, A273091. %K A185242 nonn %O A185242 1,1 %A A185242 _Alonso del Arte_, Jan 24 2012