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A166581
Primes containing the string 333.
10
2333, 3331, 5333, 7333, 10333, 13331, 13337, 13339, 16333, 17333, 19333, 20333, 23333, 23339, 29333, 31333, 33301, 33311, 33317, 33329, 33331, 33343, 33347, 33349, 33353, 33359, 33377, 33391, 38333, 41333, 43331, 49333, 50333, 55333
OFFSET
1,1
LINKS
FORMULA
a(n) ~ n log n. - Charles R Greathouse IV, Nov 01 2022
MATHEMATICA
p333Q[n_] := Module[{idn = IntegerDigits[n]}, MemberQ[Partition[idn, 3, 1], {3, 3, 3}]]; Select[Prime[Range[20000]], p333Q] (* Vincenzo Librandi Sep 14 2012 *)
CROSSREFS
KEYWORD
nonn,base
AUTHOR
Vincenzo Librandi, Nov 01 2009
STATUS
approved