A348186 Decimal expansion of Product_{k>=1} (1 + 1/Pi^k).

1, 5, 2, 1, 3, 6, 0, 1, 5, 0, 5, 2, 2, 5, 8, 4, 0, 6, 0, 4, 5, 5, 1, 3, 8, 7, 0, 8, 4, 0, 2, 2, 9, 8, 2, 4, 4, 9, 0, 5, 4, 8, 2, 8, 9, 4, 9, 9, 6, 8, 4, 1, 5, 3, 2, 4, 1, 3, 2, 3, 5, 2, 8, 1, 2, 8, 1, 9, 3, 9, 7, 3, 3, 7, 6, 8, 4, 9, 9, 9, 5, 2, 5, 0

Offset

1,2

Links

Table of n, a(n) for n=1..84.

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

Cf. A347417, A000796, A000009.

Sequence in context: A136161 A350688 A197383 * A356030 A266455 A091505

Adjacent sequences: A348183 A348184 A348185 * A348187 A348188 A348189

Keyword

nonn,cons

Author

Christoph B. Kassir, Oct 05 2021

Status

approved