OFFSET
1,1
COMMENTS
All terms are == 0 (mod 30).
LINKS
Zak Seidov, Table of n, a(n) for n = 1..1000
EXAMPLE
n=510, p=260089=prime(22845), q=260111=prime(22846).
PROG
(PARI) isok(n) = isprime(p=n^2-11) && isprime(q=n^2+11) && (q==nextprime(p+1)); \\ Michel Marcus, Oct 14 2014
CROSSREFS
KEYWORD
nonn
AUTHOR
Zak Seidov, Oct 14 2014
STATUS
approved