login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A108925 Nearest integer to the n-th root of e leading to a generalized closed form for Zeta(s). 1
0, 1, 2, 4, 6, 10, 15, 23, 36, 55, 83, 126, 190, 287, 432, 650, 978, 1470, 2207, 3315, 4976, 7469, 11208, 16817, 25232, 37855, 56791, 85196, 127804, 191717, 287588, 431397, 647111 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

COMMENTS

Sum 1/(((N+1)/2)^s) = product 1/(1-(((P+1)/2)^s)) = 1+(1/(sum(1/(((P+1)/2)^s)))) = e^(sum(1/(((P+1)/2)^s))) ~ Pi^(sum(1/(((P+1)/2)^s))). It is noteworthy that many terms are very near to a triangular number.

LINKS

Table of n, a(n) for n=0..32.

CROSSREFS

Sequence in context: A143184 A309173 A116084 * A279026 A120549 A167270

Adjacent sequences:  A108922 A108923 A108924 * A108926 A108927 A108928

KEYWORD

more,nonn

AUTHOR

Marco Matosic, Jul 18 2005

STATUS

approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 29 15:16 EDT 2020. Contains 333107 sequences. (Running on oeis4.)