A372366 Decimal expansion of Sum_{k>=0} (-1)^k*k / (k^3+1).

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

Offset

0,1

Links

Table of n, a(n) for n=0..85.

Example

-0.3470090659508953728420583256370245655802457370666...

Mathematica

s = Sum[ (-1)^k k/(k^3 + 1), {k, 0, Infinity}]
d = Chop[N[s, 100]]
First[RealDigits[d]]

Crossrefs

Cf. A372365.

Sequence in context: A339675 A095877 A024476 * A173014 A322017 A093087

Adjacent sequences: A372363 A372364 A372365 * A372367 A372368 A372369

Keyword

nonn,cons

Author

Clark Kimberling, May 12 2024

Status

approved