A100126 Decimal expansion of sum_{n>0} n/(prime(n)!).

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

Offset

0,1

Links

Table of n, a(n) for n=0..99.

Example

0.8591271103510884303682282623075379082585345770617761756616761775868373279803735889751322022482625639...

Mathematica

RealDigits[Total[Table[n/Prime[n]!, {n, 20}]], 10, 120][[1]] (* Harvey P. Dale, Oct 26 2015 *)

Prog

(PARI) default(realprecision, 100):sum(n=1, 100, n/(prime(n)!), 0.)

Crossrefs

Cf. A094289, A100124.

Sequence in context: A305582 A144454 A074071 * A330111 A335822 A233033

Adjacent sequences: A100123 A100124 A100125 * A100127 A100128 A100129

Keyword

cons,nonn

Author

Mark Hudson (mrmarkhudson(AT)hotmail.com), Nov 11 2004

Status

approved