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 A292825 #3 Sep 24 2017 09:05:01
%S A292825 9,9,8,1,3,2,5,5,0,7,6,8,0,1,8,7,6,3,1,3,7,0,0,1,1,4,2,5,1,5,1,8,5,3,
%T A292825 6,2,8,7,3,7,2,4,7,7,2,0,1,7,5,7,5,0,2,8,7,4,9,5,1,1,8,3,2,3,9,9,7,6,
%U A292825 2,5,0,3,3,4,1,9,4,6,2,7,8,4,0,1,4,1,7,3,7,8,4,8,7,0,8,1,8,4,8,9,5,4,3,3,9,7
%N A292825 Decimal expansion of Product_{k>=1} (1 - exp(-2*Pi*(2*k-1))).
%F A292825 Equals 2^(3/8) * exp(-Pi/12).
%F A292825 Equals A259149 / A259150.
%e A292825 0.998132550768018763137001142515185362873724772017575028749511832399762...
%t A292825 RealDigits[2^(3/8) * E^(-Pi/12), 10, 120][[1]]
%Y A292825 Cf. A259149, A292821, A292829.
%Y A292825 Cf. A292823, A292824, A292826.
%K A292825 nonn,cons
%O A292825 0,1
%A A292825 _Vaclav Kotesovec_, Sep 24 2017