OFFSET
1,2
COMMENTS
LINKS
OEIS wiki, Divisorial primes
EXAMPLE
The number 6 is in sequence because prime 37 = 6^2 + 1 is prime of the form p = 1 + Product_{d|k} d = 1 + A007955(k) for k = 6.
PROG
(Magma) Set(Sort([1] cat [Floor(Sqrt(&*(Divisors(n)))): n in [3..10000] | IsPrime(&*(Divisors(n))+1)]))
CROSSREFS
KEYWORD
nonn
AUTHOR
Jaroslav Krizek, Sep 01 2015
STATUS
approved