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 A102779 #4 Mar 30 2012 16:50:10 %S A102779 2,3,6,12,4,33,10,105,15,5,77,364,15,136,8151,12,6,11859,23715,21, %T A102779 2269245880,209,825,18,7,288,2085664428,28,196404156,348,68,36,700,36, %U A102779 264208596,2331,133,2700432,9,19,102,177989847,11,5581682432 %N A102779 Values of y arising from representations of -n in A102535. %H A102779 Allan J. MacLeod, <a href="http://maths.paisley.ac.uk/allanm/ecrnt/knight/knintro.htm">Knight's Problem</a> %K A102779 nonn %O A102779 1,1 %A A102779 _N. J. A. Sloane_, Mar 17 2005