OFFSET
1,1
COMMENTS
Some of the larger entries may only correspond to probable primes.
LINKS
Mike Oakes, Primo-factorials.
Mike Oakes, Primo-factorials, message 12028 in primenumbers Yahoo group, Apr 3, 2003. [Cached copy]
EXAMPLE
a(1)=2 because 2!+2#-1=3 is prime
CROSSREFS
KEYWORD
nonn,more,hard
AUTHOR
Mike Oakes, Apr 04 2003
EXTENSIONS
Offset and ordering corrected by Sean A. Irvine, Sep 18 2023
STATUS
approved