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 A327558 #22 Jan 22 2025 05:26:02
%S A327558 2,6,7,5,0,2,4,8,0,1,7,4,7,8,9,2,0,2,5,6,8,9,3,7,6,3,8,8,6,4,4,6,1,6,
%T A327558 6,2,0,2,3,7,3,7,1,5,1,2,8,2,3,5,8,5,2,8,4,5,3,8,9,8,9,0,2,3,7,7,1,2,
%U A327558 7,7,2,0,8,4,6,9,3,4,6,2,0,8,9,9,0,9,1,0,9,6,9,5,8,2,5,1,0,7,2,0,5,8,7,0,8,2,0,2,9,8,9,0,3,5
%N A327558 Decimal expansion of Sum_{k>=1} 1/F(k)! where F(k) = A000045(k).
%H A327558 Math Stackexchange, <a href="https://math.stackexchange.com/questions/3979815/is-the-sum-of-the-inverses-of-the-factorials-of-fibonacci-numbers-transcendental">Is the sum of the inverses of the factorials of Fibonacci numbers transcendental?</a>, Jan 10 2021.
%e A327558 2.6750248017478920256893763886446166202373715128...
%o A327558 (PARI) suminf(n=1, 1/fibonacci(n)!) \\ _Michel Marcus_, Sep 20 2019
%Y A327558 Cf. A000045, A079586, A084119, A105393.
%K A327558 nonn,cons
%O A327558 1,1
%A A327558 _Steven Ricardo Villeda Marroquín_, Sep 16 2019