OFFSET
1,2
EXAMPLE
1.52136015052258406045513870840229824490...
MAPLE
evalf(limit(product(1+Pi^(-k), k=1..t), t=infinity), 120);
MATHEMATICA
Product[1+Pi^(-k), {k, 1, Infinity}]
PROG
(PARI) prodinf(k=1, 1+Pi^(-k))
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Christoph B. Kassir, Oct 05 2021
STATUS
approved