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 A080630 #4 Mar 30 2012 16:49:39 %S A080630 1,12,114,924,6539,39528,199926,806136,2761740,8656152,22334112, %T A080630 32420448,18780864,2166720,6624 %N A080630 Consider 3 X 3 X 3 Rubik cube, but consider only positions of corners; sequence gives number of positions that are exactly n moves from the start. %C A080630 Total number of positions = 88179840. Here a half-turn is counted as two moves. %H A080630 Mark Longridge, <a href="http://cubeman.org/fullcube.txt">God's Algorithm Calculations for Rubik's Cube...</a> %Y A080630 Cf. A080601, A080614, etc. %K A080630 nonn,fini,full %O A080630 0,2 %A A080630 _N. J. A. Sloane_, Feb 26 2003