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 A386744 #13 Aug 14 2025 15:46:34
%S A386744 1,1,5,4,1,3,5,4,2,9,1,3,1,1,9,2,2,1,2,7,5,3,1,3,6,4,7,6,0,8,2,6,5,3,
%T A386744 0,6,2,0,2,1,3,7,7,0,1,9,7,6,9,1,6,6,3,1,1,6,0,1
%N A386744 Decimal expansion of the Product {n>=2, Omega(n)=2} 1/(1 - 1/n^2).
%H A386744 Richard Mathar, <a href="https://arxiv.org/abs/0903.2514">Hardy-Littlewood Constants Embedded into Infinite Products over All Positive Integers</a>, arXiv:0903.2514 [math.NT], 2009-2011, Table 2 p. 4.
%e A386744 1.154135429131192212753136476082653062021377019769166311601...
%Y A386744 Cf. A001222 (Omega), A001358.
%K A386744 nonn,cons,more
%O A386744 1,3
%A A386744 _Artur Jasinski_, Aug 01 2025