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 A146486 #4 Mar 30 2012 17:39:45
%S A146486 9,6,9,9,3,2,3,2,5,0,0,1,5,2,5,3,1,6,2,1,4,9,2,0,2,0,7,7,8,9,1,2,9,5,
%T A146486 7,5,9,6,1,1,4,5,7,9,4,7,9,6,6,9,6,0,8,8,0,0,6
%N A146486 Decimal expansion of Product_{q in A001358} (1-1/(q^2*(q-1))).
%C A146486 Semiprime analog of A065414.
%H A146486 R. J. Mathar, <a href="http://arxiv.org/abs/0903.2514">Hardy-Littlewood constants embedded into infinite products..</a>, arxiv:0903.2514, variable A_2^(2), Table 3.
%e A146486 0.969932325001525316214920... = (1-1/48)*(1-1/180)*(1-1/648)*(1-1/900)*..
%K A146486 nonn,cons,less
%O A146486 0,1
%A A146486 _R. J. Mathar_, Feb 13 2009