A254446 Decimal expansion of Sum_{n>=1} 1/sinh(n).

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

Offset

1,2

Links

Table of n, a(n) for n=1..105.

Example

1.284423027303676524572857579841338858444029376554223611185650493880957...

Maple

evalf(sum(1/sinh(n), n = 1..infinity), 120);

Mathematica

RealDigits[N[Re[Sum[1/Sinh[n], {n, 1, Infinity}]], 110], 10, 105][[1]]

Prog

(PARI) suminf(n=1, 1/sinh(n)) \\ Michel Marcus, Jan 30 2015

Crossrefs

Cf. A185393, A240964, A254445, A335414.

Sequence in context: A010595 A109594 A329661 * A197486 A086311 A194940

Adjacent sequences: A254443 A254444 A254445 * A254447 A254448 A254449

Keyword

nonn,cons

Author

Vaclav Kotesovec, Jan 30 2015

Status

approved