OFFSET
1,2
COMMENTS
The asymptotic mean of A367987. - Amiram Eldar, Dec 23 2023
FORMULA
EXAMPLE
1.450032145362120831608395887189223422325062117447167...
MATHEMATICA
$MaxExtraPrecision = 1000; m = 1000; c = LinearRecurrence[{-1, 1, 2, 0, -1}, {0, 2, -3, 6, -5}, m]; RealDigits[Exp[NSum[Indexed[c, n]*(PrimeZetaP[n])/n, {n, 2, m}, NSumTerms -> m, WorkingPrecision -> m]], 10, 100][[1]]
PROG
(PARI) prodeulerrat(1 + p/((p-1)*(p+1)^2)) \\ Amiram Eldar, Mar 18 2021
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Amiram Eldar, Jun 21 2020
EXTENSIONS
More digits from Vaclav Kotesovec, Sep 19 2020
STATUS
approved