A324330 Decimal expansion of Sum_{k>=1} 1/(n! - 1/2).

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

Offset

1,1

Links

Table of n, a(n) for n=1..86.

Example

2.901022387776993989970...

Mathematica

f[x_] := Sum[1/(n! + x), {n, 1, 500}]
RealDigits[N[f[-1/2], 500]][[1]]
Plot[f[x], {x, -1, 1}]

Prog

(PARI) suminf(k=1, 1/(k! - 1/2)) \\ Michel Marcus, Feb 24 2019

Crossrefs

Cf. A324329.

Sequence in context: A260548 A019315 A127558 * A197294 A228249 A011063

Adjacent sequences: A324327 A324328 A324329 * A324331 A324332 A324333

Keyword

nonn,cons

Author

Clark Kimberling, Feb 22 2019

Status

approved