A394547 Decimal expansion of the negated value of Sum_{n>=1} cos(n)/n^(1/3).

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

Offset

0,1

Links

Table of n, a(n) for n=0..95.

Example

-0.28899079933734903

Mathematica

Re[PolyLog[1/3, E^I]] ;
N[%, 100] ; (* R. J. Mathar, Mar 27 2026 *)

Crossrefs

Cf. A121225 (denom. n), A122143 (denom. n^2), A263192 (denom. n^(1/2)).

Sequence in context: A193639 A388370 A154481 * A092280 A070987 A168286

Adjacent sequences: A394544 A394545 A394546 * A394548 A394549 A394550

Keyword

nonn,cons

Author

R. J. Mathar, Mar 24 2026

Status

approved