OFFSET
1,1
FORMULA
x = Sum_{n >= 1} 1/(Product_{1 <= i <= n} F(i)), where F(i) is the i-th Fibonacci number.
EXAMPLE
x = 2.70450289915406748719754896618187978517783483136...
MATHEMATICA
N[Sum[1/Product[Fibonacci[i], {i, n}], {n, 300}], 100]
PROG
(PARI) suminf(n=1, 1/prod(i=1, n, fibonacci(i))) \\ Michel Marcus, Nov 28 2020
CROSSREFS
KEYWORD
cons,nonn
AUTHOR
Ryan Propper, Dec 11 2004
STATUS
approved