OFFSET
0,1
COMMENTS
Lower bound of Artin's constant A005596.
LINKS
Rafael Jakimczuk, Numbers of the form p-1 where p is prime, July 2024. See pp. 16-17.
EXAMPLE
0.3722958323403631411676246695044684462699688877431169243...
PROG
(PARI) 5*(5 - 3*sumeulerrat(1/(p*(p-1))))/36 \\ Amiram Eldar, Aug 20 2024
CROSSREFS
KEYWORD
nonn,cons
AUTHOR
Stefano Spezia, Jul 21 2024
STATUS
approved