A211113 Decimal expansion of -zeta(-1/2).

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

Offset

0,1

Comments

zeta(-1/2) = -zeta(3/2)/(4*Pi); zeta(3/2) being A078434.

Links

Table of n, a(n) for n=0..108.

Wikipedia, Riemann zeta function

Example

0.207886224977354566017306725397049302226...

Mathematica

RealDigits[-Zeta[-1/2], 10, 100][[1]] (* Amiram Eldar, Mar 24 2021 *)

Prog

(PARI) -zeta(-1/2) \\ Charles R Greathouse IV, May 18 2012

Crossrefs

Cf. A059750, A078434.

Sequence in context: A256293 A272002 A049006 * A011389 A021485 A019821

Adjacent sequences: A211110 A211111 A211112 * A211114 A211115 A211116

Keyword

nonn,cons,easy

Author

Stanislav Sykora, May 17 2012

Status

approved