OFFSET
1,2
EXAMPLE
1.67792868498935419743907236983684684682083...
MAPLE
evalf(limit(product(1+1/exp(k), k=1..t), t=infinity), 120);
MATHEMATICA
Product[1+Exp[-k], {k, 1, Infinity}]
PROG
(PARI) prodinf(k=1, 1+exp(-k))
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Christoph B. Kassir, Aug 31 2021
STATUS
approved