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 A146490 #2 Mar 30 2012 17:39:45
%S A146490 9,9,3,5,2,1,5,8,9,7,1,0,5,0,5,4,6,0,6,7,5,4,0,9,2,6,9,2,4,1,4,1,6,4,
%T A146490 2,9,4,0,1,1,1,5,0,7,8,6,7,7,8,1,5,6,6,0,1,8,8
%N A146490 Decimal expansion of Product_{q in A001358} (1-1/(q^3*(q-1))).
%C A146490 Semiprime analog of A065415.
%F A146490 The logarithm is -sum_{s>=2} sum_{j=1..floor[s/(1+r)]} binomial(s-r*j-1,j-1)*P_2(s)/j at r=3, where P_k(s) are the k-almost prime zeta functions of arXiv:0803.0900.
%e A146490 0.993521589710505460675409269.. = (1-1/192)*(1-1/1080)*(1-1/5832)*...
%K A146490 nonn,cons,less
%O A146490 0,1
%A A146490 _R. J. Mathar_, Feb 13 2009