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 A054183 #4 Mar 30 2012 16:48:46 %S A054183 1,0,1,1,3,2,7,7,16,19,43,58,121,182,357,603,1161,2036,3913,7131, %T A054183 13639,25438,48733,92135,176902,337472,649514,1246672,2405235,4636007, %U A054183 8964799,17334189,33588189,65106900,126390021,245490129,477353375 %N A054183 Moebius transform of A000011 (starting at term 0). %K A054183 nonn %O A054183 0,5 %A A054183 _N. J. A. Sloane_, Apr 29 2000