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 A077728 #5 Dec 05 2013 19:55:55 %S A077728 1,1,1,1,1,1,1,1,1,109,0,103,1009,1009,103,1009,1009,101,1009,10099, %T A077728 1009,1009,1036,1012,1027,1018,1007,1027,1027,10333,10189,10153, %U A077728 100333,10117,10171,10083,1027,10126,10051,1007497,100729,100714,100693,100909 %N A077728 a(n) = A077727(n)/n. %Y A077728 Cf. A077727. %K A077728 base,nonn %O A077728 1,10 %A A077728 _Amarnath Murthy_, Nov 19 2002 %E A077728 Corrected and extended by _Ray Chandler_, Sep 05 2003