OFFSET
1,1
COMMENTS
Primes generated in A175063.
The square roots of (4*a(n)+1)/5 are in A072055. [Bruno Berselli, May 19 2013]
MATHEMATICA
Select[Table[p=Prime[n]; 5*p^2+5*p+1, {n, 85}], PrimeQ]
PROG
(Magma) [a: p in PrimesUpTo(500) | IsPrime(a) where a is 5*p^2+5*p+1]; // Bruno Berselli, May 19 2013
CROSSREFS
KEYWORD
nonn
AUTHOR
Jayanta Basu, May 19 2013
STATUS
approved