OFFSET
1,1
COMMENTS
For definitions see A152658, of which this is a subsequence.
LINKS
Klaus Brockhaus, Table of n, a(n) for n=1..1000
EXAMPLE
Second maximal chain of primes with two members (one link) is 37, 41; the linking prime is 977.
PROG
(PARI) {n=1; while(n<365, c=0; a=prime(n); while(isprime(n*prime(n)+(n+1)*prime(n+1)), c++; n++); if(c==1, print1(a, ", ")); n++)}
CROSSREFS
KEYWORD
nonn
AUTHOR
Klaus Brockhaus, Dec 17 2008
STATUS
approved