A389651 Decimal expansion of (127/128) * zeta(7).

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

Offset

1,5

Links

Jason Bard, Table of n, a(n) for n = 1..10000

Michael Ian Shamos, Shamos's Catalog of the Real Numbers, (2011). See p. 28.

Formula

Equals Sum_{k>=0} 1/(2*k+1)^7.

Equals (127/128) * A013665.

Example

1.0004715486523765547551116314915952224154896...

Mathematica

First[RealDigits[127*Zeta[7]/128, 10, 100]]

Crossrefs

Cf. A013665.

Sequence in context: A131594 A100402 A135004 * A086234 A016490 A244680

Adjacent sequences: A389648 A389649 A389650 * A389652 A389653 A389654

Keyword

nonn,cons

Author

Jason Bard, Oct 09 2025

Status

approved