1,1
Table of n, a(n) for n=1..7.
(Magma) [a: n in [0..250]|IsPrime(a) where a is (4*10^n+11)div(3)]
Cf. A102932.
Sequence in context: A176133 A071057 A181922 * A160611 A281429 A286307
Adjacent sequences: A177506 A177507 A177508 * A177510 A177511 A177512
nonn
Vincenzo Librandi, Dec 11 2010
approved