OFFSET
1,1
LINKS
Andrew Howroyd, Table of n, a(n) for n = 1..1000
PROG
(PARI) is(n)={my(p=n^2+2); isprime(p) && isprime(p+2) && isprime(p+6) && isprime(p+8)} \\ Andrew Howroyd, Jan 05 2020
CROSSREFS
KEYWORD
easy,nonn
AUTHOR
Zak Seidov, Sep 08 2003
EXTENSIONS
Terms a(15) and beyond from Andrew Howroyd, Jan 05 2020
STATUS
approved