A371749 Decimal expansion of Product_{k>=0} 1 / (1 + 1/4^k).

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

Offset

0,1

Links

Table of n, a(n) for n=0..99.

Formula

Equals A273413^2. - Hugo Pfoertner, Apr 05 2024

Example

0.368756127076900562750845672280819915482...

Mathematica

RealDigits[1/QPochhammer[-1, 1/4], 10, 100][[1]]

Crossrefs

Cf. A000302, A083864, A100221, A273413, A371746, A371747, A371748, A371752.

Sequence in context: A181915 A248760 A011261 * A104541 A202300 A244467

Adjacent sequences: A371746 A371747 A371748 * A371750 A371751 A371752

Keyword

nonn,cons

Author

Ilya Gutkovskiy, Apr 05 2024

Status

approved