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Smallest n-digit emirp with only prime digits.
3

%I #6 Jun 12 2016 09:15:42

%S 37,337,3257,32233,322573,3223357,32235223,322222757,3222222257,

%T 32222232577,322222232537,3222222223333,32222222332733,

%U 322222222237537,3222222222223373,32222222222223353,322222222222225333

%N Smallest n-digit emirp with only prime digits.

%C Palindromes are not permitted. - _Harvey P. Dale_, Jun 12 2016

%Y Cf. A177514, A128388

%K nonn,base

%O 2,1

%A _Lekraj Beedassy_, May 10 2010

%E a(8) corrected and a(11)-a(18) from _Donovan Johnson_, Jul 30 2010