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 A102914 #6 Mar 14 2015 16:33:22 %S A102914 0,24,1,1,1,4,1,7,4,2,8,35,1,6,3,3,3,4,1,4,3,4,1,1,1,1,8,1,1,1,3,4,1, %T A102914 3,1,1,1,1,9,7,4,1,24,1,5,6,1,3,1,1,10,1,237,1,12,2,1,12,1,21,1,1,1, %U A102914 14,1,4,14,72,29,5,1,1,2,1,8,2,1,43,1,1,8,1,1,1,2,8,2,1,12,3,2,1,10,1,5,6,1 %N A102914 Continued fraction expansion of the number in A102913. %t A102914 SemiprimeQ[n_] := If[Plus @@ Last[ Transpose[ FactorInteger[n]]] == 2, 1, 0]; a = FromDigits[{Table[ SemiprimeQ[n], {n, 2, 10^3}], -2}, 2]; ContinuedFraction[ a, 100] (* _Robert G. Wilson v_, Jan 24 2005 *) %Y A102914 Cf. A001358, A010051, A051006, A102913. %K A102914 cofr,nonn %O A102914 0,2 %A A102914 _Jonathan Vos Post_, Jan 17 2005 %E A102914 More terms from _Robert G. Wilson v_, Jan 24 2005