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 A152301 #5 Aug 15 2012 12:30:39 %S A152301 1,1,1,2,6,12,14,48,20,2,15,15,24,28,40,32,24,20,25,20,19,35,30,28,93, %T A152301 24,28,33,36,103,148,60,580,42,57,91,106,262,276,49,209,57,52,56,97, %U A152301 54,168,194,811,103,52,52,83,57,79,246,416,62,62,312,115,116 %N A152301 a(3) = 1; otherwise a(n) = A152389(n). %Y A152301 Cf. A098720, A152389. %K A152301 nonn %O A152301 1,4 %A A152301 _N. J. A. Sloane_, Oct 23 2009 %E A152301 More terms and definition changed by _Eric M. Schmidt_, Aug 15 2012