The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A355251 Decimal expansion of the geometric integral of the Riemann zeta function from 1 to infinity. 1
6, 0, 3, 4, 9, 6, 4, 4, 1, 8, 2, 2, 3, 1, 3, 4, 8, 3, 4, 7, 0, 1, 1, 0, 0, 6, 8, 0, 5, 1, 7, 0, 2, 7, 1, 8, 9, 6, 0, 2, 3, 0, 9, 6, 3, 6, 4, 9, 4, 7, 8, 4, 3, 6, 0, 9, 6, 4, 4, 0, 4, 2, 0, 2, 1, 5, 4, 4, 8, 7, 4, 0, 2, 9, 0, 7, 4, 7, 0, 1, 0, 1, 3, 3, 7, 0, 2 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
The geometric integral of a function, f(x), from a to b is defined as lim_{dx->0} Product_{i=1..n} f(x_i)^dx, where n = (b - a)/dx and x_i is a number on the interval [a + dx*(i-1), a + dx*i].
The geometric integral can be shown to be equivalent to exp(Integral_{a..b} log(f(x)) dx).
LINKS
Wikipedia, Product integral
FORMULA
Equals exp(Integral_{s=1..oo} log(zeta(s)) ds) = e^A188157.
EXAMPLE
Equals 6.03496441822313483470110068051702718960230963649478436096...
PROG
(PARI) exp(intnum(s=1, [oo, log(2)], log(zeta(s))))
CROSSREFS
Sequence in context: A087014 A176906 A293255 * A094174 A105873 A011380
KEYWORD
nonn,cons
AUTHOR
Iain Fox, Jun 26 2022
STATUS
approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified May 17 12:26 EDT 2024. Contains 372600 sequences. (Running on oeis4.)