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 A347417 #25 Oct 06 2021 09:32:06
%S A347417 1,6,7,7,9,2,8,6,8,4,9,8,9,3,5,4,1,9,7,4,3,9,0,7,2,3,6,9,8,3,6,8,4,6,
%T A347417 8,4,6,8,2,0,8,3,4,8,7,0,8,7,6,5,5,6,4,9,3,0,4,1,8,7,3,5,1,4,4,6,4,0,
%U A347417 5,0,9,3,3,8,3,0,6,7,9,6,9,6,1,2,1,6,0,7,6,7,7,1,7,1,8,3,9,3,9,5,3,0,6,8,3
%N A347417 Decimal expansion of Product_{k>=1} (1 + exp(-k)).
%e A347417 1.67792868498935419743907236983684684682083...
%p A347417 evalf(limit(product(1+1/exp(k), k=1..t), t=infinity), 120);
%t A347417 Product[1+Exp[-k], {k, 1, Infinity}]
%o A347417 (PARI) prodinf(k=1,1+exp(-k))
%Y A347417 Cf. A001113, A000149.
%K A347417 nonn,cons
%O A347417 1,2
%A A347417 _Christoph B. Kassir_, Aug 31 2021