A370466 -id:A370466 - cp's OEIS frontend

A371747 Decimal expansion of Product_{k>=1} 1 / (1 - 1/4^k).

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

Offset: 1

Ilya Gutkovskiy, Apr 05 2024

			1.4523536424495970158347130224852748733612...

Kelvin Voskuijl, Table of n, a(n) for n = 1..20000

Cf. A000302, A065446, A100221, A370466, A371748, A371749, A371750.

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

Equals 1 / A100221.

A371750 Decimal expansion of Product_{k>=1} 1 / (1 - 1/5^k).

Original entry on oeis.org

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

Offset: 1

Ilya Gutkovskiy, Apr 05 2024

			1.3152135557353452193080945851009617844...

Kelvin Voskuijl, Table of n, a(n) for n = 1..20000

Cf. A000351, A065446, A100222, A370466, A371747, A371751, A371752.

RealDigits[1/QPochhammer[1/5, 1/5], 10, 100][[1]]

Equals 1 / A100222.

A371746 Decimal expansion of Product_{k>=0} 1 / (1 + 1/3^k).

Original entry on oeis.org

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

Offset: 0

Ilya Gutkovskiy, Apr 05 2024

			0.31950228831873889019480071011090065424...

Cf. A000244, A083864, A100220, A132323, A370466, A371749, A371752.

RealDigits[1/QPochhammer[-1, 1/3], 10, 100][[1]]

Equals 1 / A132323.

A370468 Decimal expansion of Product_{k>=2} 1 / (1 - 1/k^k).

Original entry on oeis.org

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

Offset: 1

Ilya Gutkovskiy, Mar 30 2024

			1.3905217844818216805690355050266316825...

Cf. A000312, A065446, A370466, A370467.

cp's OEIS Frontend

A371747 Decimal expansion of Product_{k>=1} 1 / (1 - 1/4^k).

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A371750 Decimal expansion of Product_{k>=1} 1 / (1 - 1/5^k).

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A371746 Decimal expansion of Product_{k>=0} 1 / (1 + 1/3^k).

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A370468 Decimal expansion of Product_{k>=2} 1 / (1 - 1/k^k).

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