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A177509
Primes of the form (4*10^n+11)/3.
0
5, 17, 137, 13337, 133337, 1333333333337, 1333333333333333333333333333333333333333333333333333333333337
OFFSET
1,1
PROG
(Magma) [a: n in [0..250]|IsPrime(a) where a is (4*10^n+11)div(3)]
CROSSREFS
Cf. A102932.
Sequence in context: A176133 A071057 A181922 * A160611 A281429 A286307
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Dec 11 2010
STATUS
approved