OFFSET
1,2
LINKS
Wikipedia, Prime triple
FORMULA
Equals 1.934964252... = (1/5 + 1/7 + 1/11) + (1/7 + 1/11 + 1/13) + (1/11 + 1/13 + 1/17) + ....
EXAMPLE
1.934964252....
CROSSREFS
KEYWORD
AUTHOR
Arkadiusz Wesolowski, Jul 31 2016
STATUS
approved