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A177489 Primes of the form (13*10^n+17)/3 0
439, 4339, 4333339, 433333333339, 4333333333333339, 433333333333333333333333339, 43333333333333333333333333339, 4333333333333333333333333333333333333333333333333339 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
The next term has 151 digits. [From Harvey P. Dale, Aug 09 2011]
LINKS
MATHEMATICA
Select[(13 10^Range[180]+17)/3, PrimeQ] (* Harvey P. Dale, Aug 09 2011 *)
PROG
(Magma) [a: n in [0..250]|IsPrime(a) where a is (13*10^n+17)div(3)]
CROSSREFS
Sequence in context: A252135 A157737 A061328 * A210205 A092048 A296905
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Dec 11 2010
STATUS
approved

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Last modified May 16 15:25 EDT 2024. Contains 372554 sequences. (Running on oeis4.)