A343920 Decimal expansion of Sum_{k=4,6,8,...even} log(k)/(k^2-4) .

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

Offset

0,1

Links

Table of n, a(n) for n=0..70.

Formula

Equals 3*log(2)/16 + A340440 / 4 = (3*A002162/4 + A340440)/4.

Example

0.385749...

Prog

(PARI) sumpos(k=2, log(2*k)/(4*k^2-4)) \\ Michel Marcus, May 04 2021

Crossrefs

Cf. A340440.

Sequence in context: A155676 A200243 A236229 * A258985 A077151 A342934

Adjacent sequences: A343917 A343918 A343919 * A343921 A343922 A343923

Keyword

nonn,cons

Author

R. J. Mathar, May 04 2021

Status

approved